Gamestop currently have a trade deal where if you trade in your Wii you can get the XBOX 360 Super Elite for £99.99
Choice of the Forza 3 or Final Fantasy bundles.
And before people start, YES there are Gamestop stores in the UK.
To locate a store near you heres their store locatorhttp://gamestop.ie/store_locator.asp
(Ignore the .ie its the same site for their uk stores)