Info gathered from the new blizz interviews

[thomasden2]

Grim Batol will be from day one
The Heric versions of Deadmines and Shadowfang Keep will also be in a later patch
They want to keep some if the good quest from back in the days.
They are adding 3 battlegrounds 1. is Twin Peaks, 2. is Gilneas and 3. they would not say but us in here know its STV mines right?
They are not adding more arenas
There will be a new COT, but in a later patch. They say it might be War Of The Aientcents
There is being worked on Cross-realm Raids
There will be about 11 Phasings in Hyjal
Path of the Titans is not going to happen
Guild talents is not going to happen
Archeology won't be importent
There will be ultra-mega hard bosses for only hardcore raiders

That was what i could take out of it all.
Tell me if there's something to put in here (:

[Iruxos]

Grim Batol will be in patch 4.1

Wrong. It will be since day 1 of Cataclysm as the entry-level raid, much like Naxxramas to WoTLK. The ones introduced in a later patch would be SFK and VC.

[thomasden2]

Thanks for telling me, i've just changed it now