Grab the Xbox One Assassin's Creed Unity Bundle for $329.99 (Save $70) at Amazon!In addition, they have several promotions on Xbox LIVE and controllers with the purchase:
Get an Xbox One Call of Duty Wireless Controller for $59.99 with the purchase of an Xbox One console
Get a Special Edition Armed Forces Wireless Controller for $54.99 when you buy an Xbox One console from Amazon.com
Buy an Xbox One Console and get a Wireless Controller + Play Charge Kit for $64.99
Buy an Xbox One or Xbox 360 console from Amazon.com and get a 12 month Live Card for $39.99.