The generation that grew up on Xbox and Playstation has now grown-up and has kids. Microsoft is betting that those twenty-somethings that typified the the rock-and-roll pioneer of video gaming are now looking to play with their family. In a bold departure from the hard-core blood-and-guts b-roll that was the staple of E3 launches in the past, tonight's debut of Project Natal, now renamed Kinect, was a love fest that featured yoga and pet tigers.