It's no secret that multi-touch support is one of the stand-out features of Windows 7, and it's also no surprise that plenty of companies seem eager to get in on the action, one of the latest which is uber-manufacturer Quanta Computer. Somewhat uniquely, however, Quanta is ditching the usual capacitive and resistive touch panels in favor of its new Optical Touch system, which simply uses two cameras placed at the top corners of the screen. T
