In case anyone is considering buying from eBay seller "
ultromall":
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=018&sspagename=STRK%3AME WA%3AIT&viewitem=&item=280067588819&rd=1&rd=1
I just opened a paypal dispute with him today. I have exchanged a couple emails and he insists that they are 4gb, but format reveals 2GB and removal of the cover exposes a samsung 2GB chip. I doubt I hear from him again, but I'll wait a day or two, then escalate.