I'm not sure what the going price is for the CC's as I bought mine new. The problem is finding one that hasn't been poorly modded or beat on, or has a bunch of crap body mods.
I did know of one for sale that was heavily modded but it was in California. it was repo'ed and the new owner was asking 10K. 408 CI, fast system, rims, the works.
I can find out if its still for sale if you want. (it is not smog legal by any means)