Microsoft has already expressed its fondness for Perceptive Pixel's gigantic capacitive touchscreens, which became apparent during a live demo at the company's Windows 8 presentation at Mobile World Congress earlier this year, but now that friendship has become a bit more official. During Microsoft's Worldwide Partner Conference keynote in Toronto this morning, Steve Ballmer announced that Perceptive Pixel would be coming in-house, with Microsoft acquiring the display maker. The move seems to be in line with the com