Darn, this is now gone!
Hurry! Amazon is offering a $75 credit when you purchase a Xbox 360 250GB Holiday Value Bundle with Kinect for $399. These deals seem to go REALLY fast!
Here is the info on the credit:
$75 Amazon.com Credit with Purchase
For a limited time, order the Xbox 360 250GB Holiday Value Bundle with Kinect and receive a $75 Amazon credit good toward the purchase of items shipped and sold by Amazon.com (certain exclusions apply, including Kindle books, MP3s, Gift Cards, and video rentals and downloads). The promotional credit will be applied to your Amazon.com account within four days after your order ships. Offer valid when shipped and sold by Amazon.com. Limit one per customer. Amazon reserves the right to change or terminate this promotion at any time.