Amazon UK are running a great promotion for an xbox 360 250GB with Kinect and more for £258 , heres the details:

Step 1: Select the Xbox 360 250GB console shown below by ticking the box to the left of the console.

Step 2: You can now add the Kinect Sensor with Kinect Adventures to your basket.

Step 3: Additionally, you can add Kinect Joy Ride to your basket for free.

Step 4: Then add any of the selected games or Xbox LIVE Gold Membership (12 months) below for £20. The price of the selected game or membership will be reduced at checkout. £20 game or membership terms and conditions.

Step 5: Click the "Add to Basket" button on the right of the page to add all your selected items to your basket.

Step 5: At checkout, enter promotional code "GOKINECT" in order to receive the Xbox 360 250GB console and Kinect Sensor for a combined price of £258.
You only have until Monday if interested, more details at Amazon UK