We just learned what happens when you discount the price on the Xbox 360 HD DVD player and throw in five free movies. Our conclusion, they sell more than they did before. Looking through Amazon.com's sales rank movers and shakers, the Xbox 360 HD DVD player's sales increased over 1,000% since the $20 price drop. Who needs economics 101 when you've got Amazon.com. And if you're looking to cash in on this super sweet deal, give your local Best Buy a try, some stores are offering it for $149.