Meet the ZedRipper – a 16-core, 83 MHz Z80 powerhouse as portable as it is impractical.
(From: http://www.chrisfenton.com/the-zedripper-part-1/)
I love this – Unexpected, somewhat impractical, and very well done! I missed the Z80 and CP/M era, but this makes me want to play around with it some time.