Picked up a Roland MV 8000 for $150 today. Seems like a pretty awesome machine. Dude was convinced it didn't work because he couldn't make sound come out of it. I made
Making a beat on the Roland MV-8000 - YouTube
Analog MV8-OP1 clone for Roland MV-8000/8800 - nihtila.com
Roland MV-8000 Sampling Workstation with 136-Track Audio/MIDI Sequencer | Reverb