New Zealand Story Revolution, DS - £5 delivered
Play-Asia are selling the NTSC-J version of Halo 3 for £26 delivered. It is not confirmed yet as being PAL compatible though. Some 360 games are region free, some are not. IF Halo 3 is, this is by far the best price around. I will keep you updated on whether it is PAL compatible.
Halo 3 [Collectors Edition], Xbox 360 - £37.99 delivered
No guarantee you will get it at launch, but it's a great saving (with other retailers selling it at £50+)
Bomberman Land: Touch!, DS - £9.83 delivered