If it fits, I don't think it's too bad for $600 (not the $750 listed). Looks like Tiagra calipers and crankset - along with the rest of the group and a name-brand frameset. Sure, you could probably do a little better. But that bike would easily fetch $600 here.
__________________
"The older you do get, the more rules they're gonna try to get you to follow. You just gotta keep livin', man, L-I-V-I-N." - Wooderson
'14 carbon Synapse - '12 CAAD 10 5 - '99 Gary Fisher Big Sur