Tigole was kind to set a time-frame for both Ahquiraj and Zulgurub.
Zul’Gurub will be in content Patch 1.7.0.
Ahn’Qiraj is a *massive* zone with both interior and exterior elements. It will be instanced.
The zone will most likely go live in Patch 1.9.0 although things are always subject to change.
We’ll provide more information on this zone as it gets closer to release