You can pre order (release date 17/11/06) Gears of War for XBOX 360 from LX Direct for as low as £33.09 using following discount codes:-
ZQ6022 - £15 0ff
XX494 - 10% off
Price on site is £53.50 delivered, codes reduce to £34.65. If you also go via QuidCo you get extra 4.5% off bringing cost down to £33.09 delivered !!!! (Works out about £4 cheaper than Amazon, nearly £7 cheaper than play.com)
Codes will also work on other XBOX 360 games so check them out now !!!