We know what you're thinking: another CES post about Tobii's eye-tracking Gaze UI? Why yes, yes it is, because this time we were actually the ones behind the driver's seat. We tracked down the company's booth and got some personal one-on-one time with the laptop. As the first matter of business, we first needed to calibrate our eye movements with the sensor, a process that took a couple minutes to push through before we were ready to have at it. The prototype laptop is running an early build of Windows 8, so we navigated around the Metro interface, played a couple games, switched back and forth between tabs, zoo