Argos is currently selling the Xbox 360 S 4GB with Fifa 11 and Forza 3 for £149.99; a pretty decent deal considering both games are real quality.
The Xbox 360 4GB replaces the hard drive with flash memory, and you'll also get 802.11n Wi-Fi built-in. Have a think before you buy the 4GB model as it could prove to be a bit of a pain in the long run - it really depends on how you want to use the machine.
The new Xbox is slimmer and quieter than the old edition as our full review of the 250GB model showed. We've also reviewed both FIFA 11 and Forza 3, so you can make sure they're the games for you.
The offer runs until the 2 November 2010, so you'll need to get you skates. I fyou want to tale a punt then you can buy and reserve via this link.