Check around, and gauge. But KBB is not the one stop figure anymore (if it was ever).
As for CL, I use it, and you have to know there are people like you out there, and there are scum of the earth. You can be direct and not give 2 licks about someone haggling with you, just move on to the next guy.
I've sold all different sorts of things there, including a $10,500 car. Meet at a bank, do it right, and you'll have a good experience. Just sift through the BSers, it really isn't that hard to do.