60fps locked no dip, no stutters, controller support.

That should be the minimum. Steam need to push it hard, give them a big bright shiny golden verification badge when they do. I think this is the most important thing that can make or break steam machine.

This could be a good thing for all of us. ie pushing game optimization. Now that they got a single machine with set hardwares, perhaps it's feasible to go down to assembly to optimize the games. Just make it 60fps and not stutter please?