+1. There is a part of eBay were you can type in the model number of what you're trying to sell and it'll show how much the last few have sold for. Also, you can go to audiogon.com but you have to pay a little bit to get the blue book values.
Television: Mitsubishi WD65737 DLP
Processor: Emotiva UMC-200
Amps: Carver AV 806x/Behringer EP4000
Mains: DCM TimeFrame 600 Center: AT 453C
Surrounds: AT 251.1 Sub: Danley DTS-10
Blu Ray: Panasonic DMP-BD655