Hey Bruce,
Yeah, Scott's brown/grey color variation is super rare and pretty darn cool.
The others that I've seen are blue because they're missing yellow. If I remember correctly, Scott's is grey instead of brown?
Good point on the condition. Basically I've only seen a handful of cards from the set that are EX or better. You might remember that group a few years ago that sold on ebay that were really high grade.
I see Schulte and Hoffman in nicer (VG/EX) grades for some reason, but most of the other cards I find in "caramel condition." I have no idea why.
A lot of the cards were printed with bad registry:
