Oh god, I really have to hold back my sales pitch here.
I am one of the devs for an MMORTS that is 6 months form completion; however, as we have announced on our very recent livestream the MMORTS is a genre that has few metrics. Thus, we're needing to launch a kickstarter to push our 6 remaining months of development to get more stuff in by launch.
http://www.kickstarter.com/projects/2122031929/novus-aeterno-a-true-aaa-mmorts
Our team are avid strategy gamers who really wanted to play this kind of game, but no one was making one. So, 7 years later, we're emerging form our caves.
I'll stop this here to avoid any topic take over, but I do want to bring up that there are still some strong RTS games emerging.
Some of these tend to bring very new and experimental twists to the RTS genre.
Some go down the very tactical route like Men of War, this game has not recieved much notice due to the lack of replay support. It is very difficult to create replay files with that kind of engine (everything is under the effect of physics, no dice rolling accuracy, just spread).
These generally break away from the older traditional mechanics of RTS games. I do think it is out of intimidation of titans like Star Craft.
curses... guess I took too long, someone from our stream already beat me to commenting here about NA, I was nerding out too much. =P