A number of retailers are offering Xbox 360 bundles for $50 off. Among those participating in the deal are GameStop and Walmart, while picking up a new Xbox 360 from Target, Best Buy or Amazon will net you an additional $50 gift card on top of saving $50 on select bundles.
The $200 Kinect-less 4 GB Xbox 360 is not included in the deal, but the Nike+ Kinect Training bundle is, along with other packages that include games such as Darksiders 2 and Batman: Arkham City. The sale is for a limited time, though no end date is listed at any of the retailers.