Gamerscoreblog has given me the heads up on a contest to win one of 300 copies of the Halo 3 beta Crackdown. There are five videos for the movie 300 on Xbox Live Marketplace (they may not be up yet but will be soon.) The videos have a code at the end, write down the code then go to the website and enter the five codes. You are then entered to win one of 300 copies of Crackdown. This is an excellen... more.