It's a travesty that all the supermans that come up for sale are not working and trashed!
I would love a working good condition one. It's probably my holy grail pin I think!
From what I read, maybe it is because the Atari wiring and board standard is different to the Bally and Williams from that era. Even the way the lighting operated was different in that the lights were dimmed rather then off like in other machibes.