The Kinect sensor is available as a part of the Kinect Sensor Holiday Bundle, which comes with Fruit Ninja, Gunstringer and Kinect Adventures, for $99. The Xbox Ultimate Gaming Bundle, which includes an Xbox, Kinect sensor, an 8 GB USB flash drive, a game of your choice and more, will set you back $394, a $200 saving on the normal price.
Microsoft also offers several big discounts on select laptops. For example, a Samsung RC512 laptop with Windows 7 costs $499, down from its standard price of $799.
You can also get a free Windows Phone of unknown origin provided you sign a 2-year contract with an unspecified carrier.
Office Home, Student and Office for Mac also come at a discount, together with several games, such as Halo Anniversary and Madden 2012.
Offers are valid while supplies last, or from 12:00 AM PST on Friday, 11/25/11 through 11:59 PM PST on Monday, 11/28/11. Check out Microsoft's Facebook page for a full list of discounted games as well as Microsoft's retail stores.