When is it out, I wanna get playing !
As usual with blizzard they are tighter lipped than the CIA.
I expect middle of this year, but it could be much later.
Their priority is going to be Wrath of the Lich King for WoW as that is their big money earner atm.
http://www.wowwiki.com/Soon
The comment often made by Blizz forum representives when we ask for dates on patches etc for WoW.