Will try and update this as much as possible, but sometimes you just come across good deals or decent prices. Most of it is usually stolen from Cheapassgamer (awesome site)
Week of July 6th
Plus an additional 10% if you have an Edge card.
You can just print it off.
As you know already, Target, Best Buy and Circuit City have the premium 360 listd for 300 bucks.
Looking around for anything else.