"Value Bundles" offer pack-in games like Forza Horizon, Halo 4, and Tomb Raider; US shoppers get an additional $50 off.

Microsoft today announced three new Xbox 360 Holiday Value Bundles that will begin to populate at retailers around the world shortly.
All bundles include one month of Xbox Live Gold, as well as various pack-in games. More details are available at the Xbox website.
250GB Kinect ($400) - Includes Kinect Sports: Season Two, Kinect Adventures, and Forza Horizon.
4GB Kinect ($300) - Includes Kinect Sports: Season Two and Kinect Adventures.
250GB Standard ($300) - Includes Halo 4 and Tomb Raider.
The Xbox 360 Holiday Value Bundles will be available at retailers worldwide. United States retailers are holding a special price promotion where shoppers will get $50 off each bundle October 13, 2013 through January 4, 2014.
Microsoft may be releasing the Xbox One on November 22, but the company will support the Xbox 360--approaching eight years on the market--for at least the next three years. Microsoft plans to release 100 new games for the platform during that time.

Read more at: http://www.gamespot.com/articles/xbox-360-holiday-bundles-revealed/1100-6415540/