Thanks so much everybody for your responses. More detailed I want to: 32 FADERS FOR INPUT CHANNELS WITH SWITCHABLE PAGES = 1-32 , 33-64 ..... 8 FADERS FOR GROUPS WITH SWITCHABLE PAGES 16 FADERS FOR AUXILIARIES ON EVERY CHANNEL : MUTE,SEL,REC,CUE,EQ POTS (4 PARAM X 3 = 12 POTS), GAIN POT, PHASE SWITCH, 8 AUX SENDS TRANSPORT CONTROL FREELY ASSIGNABLE BUTTONS FOR DIFFERENT OPERATIONS A GROUP OF POTS FOR COMPRESSORS AND GATES AS ALSO FOR REVERBS AND DELAYS . TOTAL MAYBE ABOUT 64 DISPLAYS ON EVERY CHANNEL FOR THE CURRENT CHANNEL NAMES AND OPERATION OF POTS ACTUALLY I WANT TO COPY ALL THE FUCTIONS THAT A YAMAHA PM5D, M7CL, DIGIDESIGN VENUE GIVES ON HANDS. I HAVE DONE IT UP TO NOW WITH THE BEHRINGERS IN A KIND BUT I WANT TO MAKE IT PERFECT. I WANT THIS CONTROLLER TO GIVE YOU THE FEELING THAT YOU USE AN ANALOG BIG MIXER. NUENDO 4 PROVIDES ALL THE FUCTIONS THROUGH GENERIC CONTROL ON HANDS. SO I JUST NEED A BIG MIDI SURFACE. i JUST NEED YOUR HELP AND EXPERIENCE HOW TO START AND FROM WHERE, AND ALSO IF IT IS POSSIBLE TO BE DONE. i DONT EXPECT ANYTHING READY. i LL DO MY HOMEWORK. bEST REGARDS