Start on Craigs list. My dad just bought a bass boat and he started there and ended up all over the place. but he said that craigs list had a lot to look at. www.craigslist.com
by the way make sure you don't miss the first "S" in craigslist or you will be surprised at what you will see.
.....you've got to ask yourself a question: 'Do I feel lucky?' Well, do ya, punk?
Die' en ain't much of a livin' son.