Well, there is this site, but you dont have to buy it, it is FREE!no joke, all you have to do is give up some spare time, you have to complete offers(that you can make bogus details)and you get points, you then spend the points on games and consoles...SIMPLEhttp://www.rewards1.com/index.php?referrer_id=13509PM me if you need help!
Right now they are "discontinued" and will be back in stores in a Metal Gear Solid 4 bundle pack in June. They are working on developing a 120GB version to replace the 80GB.