Still can't imagine a SYM-1 being worth $900. From
$75 to maybe
$150 someplace is more like it. It has little to be note worthy
of that I know of. The KIM is more recognized as a historic
board. I doubt if that person though it was actually worth something
that they'd have thrown it away, regardless of what they said.
Still, for one rounding out their 6502 collection, the SYM-1
is a nice item to have.
Dwight
I sold a couple of Rockwell AIM-65's for about $100 each at VCF,
though I didn't really test or know the condition of them.
I've seen some of these board computers go for as high as $300 on Ebay,
although Ebay prices tend to be higher because of the bidding wars...