Mixed Reality UI Concept

With tech growth there are more and more possibilities for Mixed Reality to become a thing in a way Sci Fi movies show it. And when time will come – It would definately need some UI.
Yeah, there are some stuff on market right now, but what we're talking about Is something more common and affortable, like full PC replacement...
So here Is our take on imagining such interface in action.
What do you, guys, think? Are you waiting for such tech?