yeah, RPO is not bad; decently entertaining and better than the reviews indicate anyway. Agree Equilibrium is also good. There aren't too many good dysoptian movies coming out these days - it's mostly that Divergent and Maze Runner type junk. If you like dystopia, I've always thought the Book of Eli is under-rated and definitely worth a watch (if you decide to, go into it knowing nothing about it) and of course The Road with Viggo Mortensen is great. As others have indicated, you may enjoy Snowpiercer with a surprisingly strong cast.
And you've probably already seen it cuz it's a bit older, but District 9!