Why do you never play them much? Build your newbie deck and jump into 10vs10 multiplayer, lose gloriously, tweak and repeat until you've done every mistake there is and you got better at avoiding them
I haven't played a non-Blizzard RTS in a long time. I think Supreme Commander was the last one that I got into and sucked balls at. Can't wait to suck at this.
A year ago some "Norse" nations were added (Scandianavia, Norway, Denmark).
Recently there was the first "Payed" DLC offered, something that had been requested by the community for a long while we a way to support the continued development of the game.
Netherland was the first nation added that way.
(if you want to look at the hardware added:
Next up is Israel, the community-choice, which looks very promising and later Yugoslavia and Finnland.