Check out this auction on eBay, I am going to sell an E.T. cartridge on eBay but its not just the cartridge, I'm going to destroy the cartridge the way the winning bidder choses (or I can ship it to them intact). Check it out, you dont have to bid but im sure you will get a laugh outta it!
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=8224458754&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1