As many of you know, HDstarcraft is a commentator that has done many videos on youtube commentating on various matches. Right now he is holding a contest to obtain a free BETA key, all you have to do is subscribe and your name will be thrown in a raffle that will be held a week from now. So if you haven't already subscribe and good luck.
http://www.youtube.com/user/HDstarcraft
http://www.youtube.com/user/HDstarcraft