Huh? Would you mind breaking this down? It just seems a little unlikely. You have 4 new basses there that have an MSRP of at least $1100, and then 5 used, some of which retail for an MSRP of over twice that.
I know people get some serious bargains at GC sometimes, but that's an average of $700 a bass and really the only one that could conceivably go for that much is the used Rumbelfish.
CS Hamilton - $1000
MIA Jazz New - $450
MIA Jazz Used - $500
Alembic Epic IV - $600
Alembic Epic V - $800
Rumblefish - $350
Corvette FNA - $500
SR4 30 - $1260
Bongo - $750

.