From what I understand Rag will be at full power with several new abilities. Both Rag and Nef will be in new instances. I am pretty exciting about the changes I am glad they did not just add a new continent I missed having a reason to go back to the old world and BC.

I believe there are 7 new zones which is what Wrath had. I am pretty happy with the changes it is nearly exactly what I was hoping to hear myself. The only thing that could have been an OMG for me is player housing.