Halo Wars, Xbox 360 - £34.93

Halo Wars, Xbox 360 - £34.93 delivered

However, it might be worth thinking about the Limited Edition of the game.

Halo Wars [Limited Edition], Xbox 360 - £41.49 delivered

This comes with, amongst other trinkets, a code for downloading the Halo 3 Mythic Map Pack early. Not only does that mean you get it early, but you won't have to spend the additional 800 ms points (equivalent to £6.28ish, if you are using the cheapest points) on it when it does come out, so if you are planning on getting it, the effective price of the Limited Edition is £35.21, just a shade more than the regular edition.