CowBoom offers the used Microsoft Xbox 360 Kinect 4GB Game Console, model no. S4G-00001, for $79.99 with free shipping. That's $200 less than the lowest total price we could find for a new unit and the best price we've seen for an Xbox 360 with Kinect. It features 802.11n wireless, 4GB hard drive, and Kinect Sensor.
Note: No warranty information is provided. These used units may be missing parts or accessories, including controllers or power cables, and have dents, scratches or other cosmetic blemishes.