The Official RUSE Facebook page has listed out a few questions that have been asked numerous times about the RTS. From the questions and the answers, it doesn't look like the team behind RUSE has much more they plan on "fixing" with the game.
(PC, PS3, R.U.S.E., Xbox 360)
Nah, RUSE's biggest failure was being an RTS on a console. Like MMOs, the dominant group of such players are on PC where the best controls exist as well as the biggest group and thereby communities.
Most of the focus on development was put on the PC version and the PC version has the biggest community. The beta for the game was downloaded over a million times in just a few days.