With the expansion my gut feeling is the peak we are at right now will fizzle.
The pain points that are showing won't be apparent and some of them will no longer exist after many of the zones get shifted to a 1-50 leveling zone they won't be as lucrative as they are now, though new spots will open up in the expansion I imagine.
The dino mount availability is also going away.

With that I'm channeling positive WoW energy and all will be well.

For the alliance.