There was also a guy on here who offered me one, but not until my nephew had already bought his, so maybe he still has it knocking around? Do a search, you'll turn up my thread I'm sure.
m8 why dont you have a hunt for a wireless router that has bridging mode then use that as the network adaptor for the xbox. Thats what I did it cost me 7 quid, hunt em down on ebay or at car bootys there always about.