Post up a picture of all the accessories in the bag and I'll tell you who is complete and who needs what pieces etc.

As for prices (if complete and in good condition):

TM Rattrap - $20
TM Depth Charge - $50
Original Inferno - $40
TM Cheetor - $20
TM Tarantulas - $25
Fuzor Quickstrike - $20
TM2 Cheetor - $25
TM Optimus Primal- $40
Original Tarantulas - $30
TM2 Prowl - $20
Original Waspinator - $30

Rough price guide there for you.

But yeah, get the pic of the pieces up.