Actually
it's far from thier first. There was several models of the
PET,
and another earlier one whose name escapes me
(KIT?).
I believe you're thinking of the KIM-1. It was originally
made and sold by MOS Technologies, which was apparently bought by
Commodore at some point.
Does anyone know if the KIM-1 was made before *and* after MOS Technologies
was aquired by Commodore? If so, were there any differences between the
boards (identification wise)?