Now that the Nintendo 3DS is announced using a parallax barrier display, we bet that many of you were hoping to see a 10-inch 3D tablet or laptop with a similar glasses-less display. Hell, we were until we actually saw Sharp's prototype 10.2-inch parallax barrier display here at IFA in Berlin. Unfortunately, the panel at this larger size suffers from some very serious vertical shadows (check the video) unless you're right in the sweet spot and alligned with the barrier's precision slits at a distance of about 20 inches. Even then, it's very hard t