Not like we need our 2.5-inch external drives to get that much smaller, but who are we to kvetch about progress? Hitachi GST has just outed what it calls the thinnest 2.5-inch external hard drive in the world. The G-Drive Slim is encased in a 128.6- x 82- x 9.9mm aluminum enclosure, and tucked within is a slimmer-than-usual 7mm Travelstar Z5K320 hard drive. The USB-powered unit comes formatted for use with Macs, but a quick reformat on your Windows machine will have its mind changed in no time flat. For now, it
