Tim, oo, good one.. > My personal Top Ten list of ICs (in no particular > order): Mega128 (AVR micro, biggest) Mega16 (AVR micro, medium) Mega8 (AVR micro, baby bear sized) MAX529 (octal 8bit DAC) MAX541 (16bit DAC) AD8300 (12bit DAC) MAX6818 (octal switch de-bounce) TL074 (yay,finally analogue!) TL072 LF412 Paul