This is indeed cool, although I'm assuming it's a digitizer, not “touch-screen” as reported. Surely this will be of interest to artists who use Wacoms today (one of my biggest complaints with them in the past was always that you weren't drawing on the picture itself), but it's definitely a niche market. I have to question what value this adds over a standalone Tablet PC or even one of those Smart Displays.
Actually, the 21 inches is nice...