Microsoft's Kinect is now hacked to work with Sony's PlayStation 3. Xbox and Kinect has their biggest rival, the PS3 which now has been seamlessly hacked to work with the Kinect.
The kinect is not directly plugged into a PS3, rather it isconnected to a laptop, which is running PrimeSense drivers for the Kinect. The data from Kinect is then converted into tracking data and reconverted into PS3 specific data via DIYPS3Controller, which control tyhe PS3 through the laptop.
In the video below, developer of the hack is logging in and playing Killzone 3 on his PS3 using the Kinect: