JOINT FILING AGREEMENT

   1
CUSIP NO. 000000000


                                                                       EXHIBIT 9

                                    EXHIBIT 9

                             JOINT FILING AGREEMENT

                  The undersigned reporting persons hereby agree that the
statements filed pursuant to this Schedule 13D, to which this Agreement is filed
as an exhibit, are filed on behalf of each of them.

Date:  September 10, 2001           X.X. XXXXXX PARTNERS (SBIC), LLC



                                    By:  /s/ Xxxxxxx X. Xxxxxx
                                       -----------------------------------------
                                         Name:  Xxxxxxx X. Xxxxxx
                                         Title:  President


Date:  September 10, 2001           X.X. XXXXXX PARTNERS (BHCA), L.P.


                                    By:  JPMP MASTER FUND MANAGER, L.P.,
                                         ITS GENERAL PARTNER

                                    By:  JPMP CAPITAL CORP.,
                                         ITS GENERAL PARTNER



                                    By:  /s/ Xxxxxxx X. Xxxxxx
                                       -----------------------------------------
                                         Name:  Xxxxxxx X. Xxxxxx
                                         Title:  President


Date:  September 10, 2001           QUETZAL/X.X. XXXXXX PARTNERS, L.P.


                                    By:  Quetzal/X.X. Xxxxxx Partners (GP), LLC,
                                         it General Partner



                                    By:  /s/ Xxxxxx X. Xxxxx
                                       -----------------------------------------
                                         Name:  Xxxxxx X. Xxxxx
                                         Title:  Managing Member