http://www.amazon.com/Xbox-360-4GB-C...LC/ref=lh_ni_t
Order the Xbox 360 4GB Console and receive a $50 promotional credit 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 three days after your order ships. Offer valid when shipped and sold by Amazon.com. Limit one per household. Amazon reserves the right to change or terminate this promotion at any time.
Microsoft Xbox 360 4GB Console + $50 Amazon Credit $199.99 shipped 
