Update: the deal is already dead! This coupon is no longer active. Possibly just for today, Microsoft has a great model of the 13.3" Dell XPS Notebook on sale for just $599 after entering coupon code MSStore-PC-40%, one of the best XPS deals ever. It features 2.53GHz Intel Core 2 Duo, 4GB of memory, 320GB hard drive, DVD / CD burner, wireless networking, Windows 7, and more. The coupon code will only work for the Alpine White model. Shipping is free.