While I think the SC01A is sort of interesting, why not go vintage
with an S-100 board circa 1976?
http://web.inter.nl.net/hcc/davies/esp7cpt.html
A friend ordered a demo tape from them and we'd get together with a
bunch of friends and a big pot of spaghetti and bring out various
substances to abuse and play the tape:
http://incolor.inetnebr.com/bill_r/computalker.htm
...and laugh ourselves silly. Hey, what can I say, it was the 70's.
Angie Dickinson was still pretty hot stuff...
Cheers,
Chuck