I didn't make it!
Blizzard is now giving away a bunch of beta keys to D3 via fansites. Many fansites have been given hundreds of beta keys. I suggest signing up to several to increase your chances at getting one. I'm sure many people will get several in the process!
Larger sites got more keys than smaller sites. Here they are for your convenience:
Official Source [ Fansite Beta Key Giveaways - Forums - Diablo III ]