The Yamaha AN1x Synthesizer mailing list

Novation just came out with a new synth that's also a massive 
controller, has mic preamps, and runs on batteries. Take the 
keyboard, bongos, and guitar to the beach, add a laptop and instant 
record.

http://news.harmony-central.com/Newp/2004/X-Station-25.html

It looks really cool and its realatively cheap.

Rainbow Jimmy