I was bored today so I searched for "Prototype Sega" and this came up: http://cgi.ebay.com/RARE-Sega-genesis-prot...%3A1%7C294%3A50 Looks interesting - sorry if anyone's seen/posted this recently, I'm a bit out of everything right now but this looked like it might be intriguing to some.
I was mad trying to find the I/O ports in that thing >_> Then I saw this: That doesn't seem to be a prototype MD board, but one of those ROM emulators that were used for development. It may be an early one though considering the size =P ...or considering the cable box thing, maybe a prototype Sega Channel? >_>' Fuck you