Toshiba hasn't exactly flooded the market with external hard drives since jumping into the game a couple of years back, but it has now expanded its offering a bit further with its new Canvio line of portable drives, which keep things about as simple as can be. Available in 500GB, 640GB, 750GB or 1TB capacities, the less than six ounce drives all come bundled with the Windows-only NTI BackupNow EZ software, which promises a "set-it-and-forget-it" operation, and they're each available in your choice of five different
