Mercury 500GB 7200 RPM On-The-Go Pro
There are many different bus-powered portable hard drives on the market, but most fall short in delivering everything you need. Bus-powered means that you do not need an AC-adapter to run the drive and that your FireWire or USB port powers it. Iomega, LaCie, Apricorn, and others sell 500GB portables that fit in your pocket, include some kind of shock...