UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934

                               (Amendment No. 1)*


                         Red Robin Gourmet Burgers, Inc.
                                (Name of Issuer)

                          COMMON STOCK, $.001 PAR VALUE
                         (Title of Class of Securities)

                                    75689M101
                                 (CUSIP Number)


                                February 29, 2004
             (Date of Event Which Requires Filing of This Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                               [x] Rule 13d-1(b)
                               [ ] Rule 13d-1(c)
                               [ ] Rule 13d-1(d)

    *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

    The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).



CUSIP NO. 75689M101                   13G                      Page 2 of 9 pages

1   NAME OF REPORTING PERSON
    S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    Forstmann-Leff Associates, LLC
    52-2169043

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

                                                (a) [ ]

                                                (b) [ ]
3   SEC USE ONLY

4   CITIZENSHIP OR PLACE OF ORGANIZATION

    Delaware

                    5  SOLE VOTING POWER
   NUMBER OF
     SHARES            444,180 shares
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          1,003,465 shares
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       641,286 shares

                    8  SHARED DISPOSITIVE POWER

                       1,040,380 shares

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,681,666 shares (includes shares  beneficially  owned by FLA
    Asset Management,  LLC, FLA Advisers L.L.C., and Peconic Partners LLC)


10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
    CERTAIN SHARES

                                                    [ ]

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    10.5%

12  TYPE OF REPORTING PERSON

    IA, OO



CUSIP NO. 75689M101                   13G                     Page 3 of 9 pages

1   NAME OF REPORTING PERSON
    S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    FLA Asset Management, LLC
    52-2169045

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                (a) [ ]

                                                (b) [ ]

3   SEC USE ONLY

4   CITIZENSHIP OR PLACE OF ORGANIZATION

    Delaware

                    5  SOLE VOTING POWER
   NUMBER OF
     SHARES            None
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          477,965 shares
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       None

                    8  SHARED DISPOSITIVE POWER

                       514,880 shares

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    514,880 shares

10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
    CERTAIN SHARES

                                                    [ ]

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    3.2%

12  TYPE OF REPORTING PERSON

    IA, OO


CUSIP NO. 75689M101                   13G                      Page 4 of 9 pages

1   NAME OF REPORTING PERSON
    S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    FLA Advisers L.L.C.
    13-3942422

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                (a) [ ]

                                                (b) [ ]
3   SEC USE ONLY

4   CITIZENSHIP OR PLACE OF ORGANIZATION

    New York

                    5  SOLE VOTING POWER
   NUMBER OF
     SHARES            None
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          525,500 shares
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       None

                    8  SHARED DISPOSITIVE POWER

                       525,500 shares

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    525,500 (includes shares beneficially owned by Peconic Partners LLC)


10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
    CERTAIN SHARES
                                                    [ ]

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    3.3%

12  TYPE OF REPORTING PERSON

    IA, OO



CUSIP NO. 75689M101                   13G                      Page 5 of 9 pages

1   NAME OF REPORTING PERSON
    S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    Peconic Partners, LLC
    13-3421430

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                (a) [ ]

                                                (b) [ ]

3   SEC USE ONLY

4   CITIZENSHIP OR PLACE OF ORGANIZATION

    Delaware

                    5  SOLE VOTING POWER
   NUMBER OF
     SHARES            None
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          15,800 shares
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       None

                    8  SHARED DISPOSITIVE POWER

                       15,800 shares

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         15,800 shares

10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
    CERTAIN SHARES
                                                    [ ]

11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    0.1%

12  TYPE OF REPORTING PERSON

    IA, OO



                                                               Page 6 of 9 pages

Item 1(a) NAME OF ISSUER:

     Red Robin Gourmet Burgers, Inc.

Item 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

     5575 DTC Parkway, Suite 110
     Greenwood Village, CO  80111

Item 2(a) NAME OF PERSON FILING:

     See Item 1 of the cover pages attached hereto

Item 2(b) Address of Principal Business Office, or if none, residence:

     590 Madison Avenue
     New York, New York  10022

Item 2(c) CITIZENSHIP:

     See Item 4 of the cover pages attached hereto

Item 2(d) TITLE OF CLASS OF SECURITIES:

     Common Stock, $.001 par value

Item 2(e) CUSIP NUMBER:

     75689M101

Item 3    Forstmann-Leff Associates, LLC, a Delaware limited liability company,
          is a registered investment adviser under Section 203 of the Investment
          Advisers Act of 1940 (the "Act"). FLA Asset Management, LLC, a
          Delaware limited liability company, is a registered investment adviser
          under the Act and a subsidiary of Forstmann-Leff Associates, LLC. FLA
          Advisers L.L.C., a New York limited liability company, is a registered
          investment adviser under the Act. Peconic Partners LLC, a Delaware
          limited liability company, is a registered investment adviser under
          the Act and a subsidiary of FLA Advisers L.L.C. The members of
          Forstmann-Leff Associates, LLC's Investment Committee are the managers
          of FLA Advisers L.L.C.



                                                               Page 7 of 9 pages

Item 4    OWNERSHIP:

     (a)  Amount beneficially owned: See Item 9 of the cover pages
          attached hereto

     (b)  Percent of Class:
          See Item 11 of the cover pages attached hereto

     (c)  See Items 5 through 8 of the cover pages attached hereto

Item 5    OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

          Not applicable

Item 6    OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

          Various clients of the reporting persons have the right to receive or
          the power to direct the receipt of dividends from, or the proceeds
          from the sale of, the Common Stock of Red Robin Gourmet Burgers, Inc.
          No one client's interest in the Common Stock of Red Robin Gourmet
          Burgers, Inc. is more than five percent of the total outstanding
          Common Stock.


Item 7    IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
          SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

          Not Applicable

Item 8    IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

          Not Applicable

Item 9    NOTICE OF DISSOLUTION OF GROUP:

          Not Applicable

Item 10   CERTIFICATION:

          By signing below I certify that, to the best of my knowledge and
          belief, the securities referred to above were acquired and are held in
          the ordinary course of business and were not acquired and are not held
          for the purpose of or with the effect of changing or influencing the
          control of the issuer of the securities and were not acquired and are
          not held in connection with or as a participant in any transaction
          having that purpose or effect.



                                                               Page 8 of 9 pages

                                   SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

March 10, 2004

                                        FORSTMANN-LEFF ASSOCIATES, LLC


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer


                                        FLA ASSET MANAGEMENT, LLC


                                        By:  Forstmann-Leff Associates, LLC,
                                        its Sole Member


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer


                                        FLA ADVISERS L.L.C.


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer


                                        PECONIC PARTNERS, LLC


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer



                                                               Page 9 of 9 pages

                                                                       Exhibit A

                                    AGREEMENT

         The undersigned, Forstmann-Leff Associates, LLC, FLA Asset Management,
LLC, FLA Advisers L.L.C. and Peconic Partners, LLC, agree that the statement to
which this exhibit is appended is filed on behalf of each of them.


March 10, 2004

                                           FORSTMANN-LEFF ASSOCIATES, LLC


                                           By: /s/ Joseph Sullivan
                                           Chief Operating Officer


                                           FLA ASSET MANAGEMENT, LLC


                                           By: Forstmann-Leff Associates, LLC,
                                               its Sole Member


                                           By: /s/ Joseph Sullivan
                                           Chief Operating Officer


                                           FLA ADVISERS L.L.C.


                                           By: /s/ Joseph Sullivan
                                           Chief Operating Officer


                                           PECONIC PARTNERS, LLC


                                           By: /s/ Joseph Sullivan
                                           Chief Operating Officer