Same, I got this one while I wait, similar feel to the back of a Sky controller (If you get me) hard caes so should do the trick, might get another as it arrived today and it's thin so can dock and go in car holder too
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=290457287376&ssPageName=STRK:MEWNX:IT
Is this case a hard case?
Similar to those Incase Slider iPhone 3G cases?