Freeagent Go 320GB Portable hard drive - USBs / 480Mbps.
Slimmest available - back has antislide coating
Preformatted to NTFS
5 Year warrranty
Tuxedo Black version
Fantastic price as the 320Gb hard drives are around the £70 mark and the cheapest I've found the dock & case bundle is on Play for £17.99