Iomega Portable Hard Drive

At 5.1 by 3 by 0.5 inches (HWD) and a mere 6 ounces, the Iomega Portable Hard Drive packs a lot of storage into its aluminum case. The USB 2.0 drive can be powered from a USB port or from a power supply. It backed up 2.7GB of data in just over 2 minutes. The drive ships with Iomega's Automatic Backup Pro software, which lets you back up your system and data manually or automatically.

Price: 40GB, $119.95 list; 60GB, $149.95; 80GB, $199.95; 100GB, $299.95.