Classifieds
If It's For Sale, You'll Find It At One Of These Sites.
eBay Ham Listings
http://listings.ebay.com/aw/plistings/list/category4670/index.html
K1DWU HamTrader Page
http://http://www.k1dwu.net/hamtrader
DXZONE Classifieds (scroll down to middle of page)
http://www.dxzone.com
QRZ.com Online Swapmeet
http://www.qrz.com/forum/postlist.pl?Cat=&Board=swapmeet
Craigslist
http://sfbay.craigslist.org/search/ele?query=radio&minAsk=min&maxAsk=max