Following claims that the next Xbox could be six times more powerful than the 360, Kotaku now reports that its sources suggest it may also have smaller controllers, introduce the Kinect 2, and use Blu-ray discs (for 25-50GB games versus 9GB DVDs). All of that sounds great, but we’re alarmed by speculation that Microsoft intends to incorporate some sort of anti-used game system. Full details at [Kotaku Australia]