I get emails from time to time about where to get these cases. I noticed that there is now an eBay store selling them. Look for a seller named "tardy-the-turtle".
http://cgi.ebay.com/ws/eBayISAPI.dll...m=400081850881
This probably also means that there is an international shipping solution. I know this works for 500 and 505, but it's also probably a solution for the new readers.