Gaming on Surface RT, trying to decide what to buy

I'm stuck in the early decision making process between Surface Pro and Surface RT, particularly on the subject of gaming. I'm primarily going to be using the tablet for Smartglass integration and general web browsing, but I'd really like to know if I can play some games on the RT platform. Particularly stuff like Sim City, I won't be trying to do MMOs or FPS games.

Are we too early in the game to determine if the Surface RT will be able to do these tasks? Is it worth waiting for the Surface Pro to come out a few months after Surface RT?