Here’s a link to Fred Leighton’s project that uses both hardware and flash to create stunning visuals. Fred’s project basically takes MIDI notes and velocity values from a MIDI instrument track directly to MAX/MSP where the values are sent to Flash via the Flashserver. The values are then mapped to movieclips that adjust RGB settings in flash. I’m thinking about porting this over to AS 3 and adding a bit more fun to it. Now, if only time will enable me to do this.

CLICK HERE for Presentation.
Dynamic Live Flash animation via MIDI and Game Controllers