When you trade in your old PS3 and get $200 off a new one. For those of you who want to upgrade to bigger, better or slimmer. Also: Trade in your old Xbox 360 and SAVE $100 on a new one! Offer applicable towards a new Xbox 360 4 Gb Kinect Bundle OR a new Xbox 360 250GB.
The XBOX 360 4GB is currently on sale for $129.99 currently so you would only end up paying $29.99 after trade-in.