Looks a good deal to me.
Infact when ilook at it, i belive you save closer to £50 not the £39.99 it says.
I belive this is right:
£279.99 + £39.99 + £37.99 = 357.97
£357.97 - £309.99 = £47.98
Unless 360s came down in price
Will have alook around for u.
Edit: indeed must be cheaper:
http://play.com/Games/Xbox360/4-/327...r/Product.html
Get this and you can get another game instead of COD3 for the same price as your link.