Got one of these last week, excellent product (got silver 1.8in 160gb) comes with cable and leather pouch. Available in 1.8inch size (which is pocket friendly) and more standard 2.5inch size.
120gb - 1.8inch - Silver/Black - £32.99 delivered
160gb - 1.8inch - Silver/Titanium - £34/36.99 delivered
250gb - 1.8inch - Gold/Silver - £44.99 delivered
320gb - 2.5inch - Chocolate - £38.99 delivered
320gb - 2.5inch - Gold - £39.99 delivered
500gb - 2.5inch - Chocolate - £41.99 delivered
640gb - 2.5inch - Silver - £49.99 delivered
640gb - 2.5inch - Titanium - £51.99 delivered
750gb - 2.5inch - Black - £53.49 delivered
also quidco (at a mean) 1%.