Can be collected in store at this price or free postage for various forums members (AVforums etc) or else the cost is £59.19 with postage.
They also have the 500GB version for £46.53.
Capacity: 640 GB
Rotation Speed: 5400 rpm
Interface: SATA 3Gb/s
Form Factor: 2.5"
Height: 9.5 mm
Access Time: 12 ms
Warranty: 36 months (Direct with Samsung)