How do i know if im in the beta?
Electronic Mail.
"Care about 'er? I love her! I'd kill everyone in the world and myself if she wanted it!"
you know if you are in the beta if you are in the beta....
Seriously though, check your bnet account and if there is an icon with deathwing staring at you on the "manage games" page...
Grats! D/L and you are in!!