I'm bringing this back up again, I think Rising Storm with all its vegetation would greatly benfit from SSAA to calm the picture. PostprocessAA like FXAA or MLAA does nothing in that regard.
Riddick: SSAA vs MSAA
Check out this video of to see what SSAA can do in regard to flickering opposed to MSAA, let alone FX- or MLAA which are tentimes worse then MSAA.
Please use 1080p and fullscreen, look at the roof on the top left and the runway in the middle.
Dishonored SSAA vs MLAA
Here's a comparison between MLAA and SSAA in Dishonored, skip to 6m45s for a side by side comparison. Check the stairs and the gate in the background. Again, 1080p + fullscreen, you don't play your games in a tiny window and with 640*480, do you?