Been looking for Xbox games - came across FIFA09 on Grainger Games for only £29.99 + £2 postage to UK mainland.
GAME is £39.99
Gamestation is £39.99
ASDA is £37.93
The Hut is £37.93
Good deal if you ask me - add me to your friends list and we can play a 10 v 10 :)
Edit: have also been told it's £29.99 instore (a la no delivery charge) but this is a North East company with branches around the region so you'll have to live near one of these: http://www.graingergames.co.uk/default.asp?showpage=branches