In this thread you can post links to eBay auctions that are selling rare NES items, collectibles, or good deals.
Heres one. It's a rare unreleased US Dragon Wars prototype.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=8206603137&category=4315&ssPageName=WDVW&rd=1
the big question is: will it go over the current price of $400, im guessing so