Iomega has introduced the latest generation of eGo portable hard drives, with USB 2.0 support and capacities ranging from 250GB to 500GB. The 2.5-inch drives are housed in an anodized aluminum shell measuring 16 mm thick. The company's Drop Guard system is claimed to protect against drops of up to 51 inches. Power is drawn from the USB port, while an included 'Y' cable connects to a second availab