Soo... at the shop down the street from my work they have a black GT track frame (a 56) in nice shape. From what I've been seeing here it looks like a GTB. Oddly, the fork has two sets of eyelets but doesn't have much rake. The fork does have a GT logo on it though. I'm not sure what the deal is with that.
Anyway... just thought I'd post it here if anyone's interested. Comes with pista bars of some kind (they were fully wrapped in black tape), a GT-branded saddle, and a generic-looking post. I didn't see what they were asking unfortunately.