whilst looking at the 360 games today an assistant told us even though it wasn't advertised they were doing buy one get one free on a large selection of the games. We bought Mirrors Edge for £14.99 and got Gears of War (£9.99) free. Other games in the offer that I remember were Prince of Persia (£19.99), PGR4 (14.99), Far Cry 2 (£19.99). There were loads more at higher price points as well. This may be online too.