The Kinect is this year’s hot ticket for Christmas. Microsoft’s new add-on device for the XBox 360 offers the promise of getting you up off the couch and engaged, using your whole body to play a variety of games. And there are other features that might get your interest—such as VideoKinect, the video chat system that uses Kinect’s cameras and microphone to turn your television into a living room video conference with XBox-equipped friends or family.