I bought this on my local craigslist about a month ago and paid what was, in retrospect, too much for it.
The next week I found out that my largest freelance client was closing their doors forever.
I had to rethink my plan to find a competent analog professional to repair the Mini Sequencer...
http://www7a.biglobe.ne.jp/~mpc1000/
This link will take you to a Japanese web site that offers the 'JJ OS' which is a third-party operating system for the MPC1000.
I've been using it for most of 2007 and it's superior in every way to the stock factory operating system. The biggest improvement...