Unless I'm entirely wrong, most of those older tablet PCs have keyboards (and larger screens, worse battery lives, and so forth). That's the difference - and, b

Unless I'm entirely wrong, most of those older tablet PCs have keyboards (and larger screens, worse battery lives, and so forth). That's the difference - and, because multitouch/touchscreens as the only input is a big thing right now, it's ignoring all the older ones which are basically laptops with rotating touchscreens.