It's cleaned up beautifully Blair , well above average and i'm sure your happy with the way it turned out.
Keep at it and i'm sure you'll figure out why the Ni Wumpf won't boot in it but an original board will...it's got to be something simple you'd think.
Check none of the switches are stuck on on the rollovers , or another switch on the machine that scores the same amount of points. if a switch is stuck closed on a system 1 none of the others will work.