Lucas123 writes "There's a really good, detailed review at the Computerworld site on the top four external hard drives with more than 500GB of capacity. The story reveals some big flaws in the external drives, like malfunctioning one-touch backup buttons, USB 2.0 ports that don't recognize the drives, and drives coming out of the boxes unformatted. It's also an eye opener with regard to actual backup speeds. 'Broadband connections, peer-to-peer networks and larger media files coupled with new regulations that require diligence in backing up files have clearly affected the external hard drive market as drive capacities expand to 1TB and beyond. Meanwhile, the prices of those drives continue to drop, making them ever more attractive, particularly with the ease of deployment -- literally a two-minute installation, and you're ready to go. We put four of the leading external hard drives to the test. Our criteria were simple: The drives had to have multiple connection technologies (USB 2.0 plus FireWire 400 or FireWire 800 or both), include backup software and have a capacity of at least 500GB.'"