http://cgi.ebay.co.uk/Subaru-Sti-17-Gold-Alloy-Wheel-Bridgestone-Tyre-/150498736581?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item230a6c79c5
Paul saw this on e bay tonight, dont know if you are still looking for a wheel but if memory serves me correctly that is the one you were after.
wont be too much to courier it up either.
cheers
John