Ebay is the place to get gear. Be patient and know the current market price of what you want. Here are a couple of my experiences:
This is not a lie: About one year ago I won an auction for a 503CW kit (A12 back and CFE 80 lens) for $1000 including overnight shipping. It was made in 2000 and was in new condition. Did I luck out? Yes. Was I afraid of a scam? Hell Yes!!!
Then about 3 months ago, I won this auction: 501c with 80mm, A12, 50mm CF FLE, real 2xe converter, and A24. All from 1995. All came with boxes and were as new. No joke. The price? How about $1525 with shipping.

Be patient and look. And for god's sake, ask questions.