esco.com are selling this ( well pre order) for the cut price of £313.49 take quidco cash back and it is £282.15
but by going through quidco it states
For genuine tracked transactions completed wholly online, you can earn:
£4 for taking up the Tesco DVD rental offer
£5 for first genuine new registration and first order with Tesco Grocery
10% for Entertainment and Jersey
5% for other sales
as luck would have it the xbox 360 elite is in the entertainment section and as such qualifies for the 10% off.
there are some codes floating around for £10 off any order over £100 also but i cant get them to work.
even without any extra code, this qith quidco is