Wheels?

[Rich]

Apart form all the standard Metro alloys what else is there out there that will fit the Mk3?

Mini/Imp/MGF etc?

[DavidL]

I think there were some wheels from Nissans of the same era which were the right size, but as to which car(s) they were from specifically, I can't remember. Possibly a Sunny? I think you're right about Imp wheels, and they were 12", but finding any in a usable state might be a problem.