>Why not use something faster like one of the AVRs, these are 8051 based, but >much faster. Nonono, the AVRs are something entirely different. You're probably mixing them up with "those other Atmels" which are beefed-up 8051s. As for 8051-based machines, have a look at the Kawai K3m which (IIRC) uses two of them. Rainer