I only just came across this picture again and thought it was shopped. But no..
The art here from Blizzcon on November 4th, is currently an -awesome- art asset in 7.3's "Shadows of Argus" ..
Blizzcon:
7.3:
So how far along was Argus during this time? I assumed at the time that the Azeroth picture was simply Promo art and I kind of -forgot- about it, but we now see otherwise.
It's not like 7.2, besides the raid and dungeon, was a hefty amount of work. As I'm sure most of you are feeling about now.
So Argus was a target of development a lot earlier than we probably expected. (I suppose I shouldn't speak for everyone, but that's the point. Speak up about your conflicting thoughts!)
I believe this is a decent bit of evidence towards a sooner expansion release. Even by winter.
I don't believe for a second that it's taken Blizzard this long to make Argus, rather; They've been polishing it for months, but working on Expansion 7 harder.
Using 7.2 as a little bit of a filler, while sticking to a fantastic schedule to make it seem all organized rather than slightly manipulative (but not in a bad way.)
So, that's my thoughts. Yours?