I think this is the lowest price for the glossy white version Western Digital 250GB Passport External USB 2.0 Powered Hard Drive at £84.99 including free SuperSaver delivery from Amazon.Co.UK
Note: These work with Apple Mac too, it's only the software below which is for Windows only...
* Western Digital Passport Hard Drive
* Easy to use - simply plug and play
* Powered by USB
* Light and Ultra-Portable
* USB Compatible with Windows® 2000/XP/Vista or Mac® OS X 10.1.5+
* Includes WD Sync synchronization and encryption and Google software (Windows only)