Archive of the former Yahoo!Groups mailing list: MOTM

An Octave Catstick showed up on eBay; I think there was some discussion of this device a few years ago in this forum. Nice photos here:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3733608535

Does anyone have a schematic for this? Looks like a fun DIY project to clone/improve it.

Ivan