First submission so here goes....(Should ignore the picture thats shown, I selected GAME as a store and that pic came up :S)
Had a quick browse in GAME today, Hull St Stephens, ending up buying 4 games, including:
Tiger Woods PGA Tour 08 (Xbox 360).....98p
World Championship Snooker 2007 (PS3)...98p
Table Tennis (Xbox 360)...98p
all preowned, but bargain prices! They also had FIFA 08 on PS3 for 98p I think, all good stocking fillers if you can find them :)
Guessing its instore only and may vary from store to store.
EDIT: I also found NBA 2008 for 98p - thearbiter65