Wow, just the adapter, with no upgrade card or other peripheral went for $150. That's crazy.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=150233099548&ssPageName=STRK:MEWA:IT&ih=005
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=150233099548&ssPageName=STRK:MEWA:IT&ih=005