best spec for the price ive seen if you dont mind refurbished.
go quidco for another £12 off and 6% cashback. £574.10 inc postage and then 6% cashback = 539.56
edit: sorry the 6% comes off before VAT so you get another £14.20 off £559.90. stiil a good deal for 16" i7 with GT330 1gb 500gb.