Here's some sort of confirmation from a "Valve Official" http://www.polygon.com/2013/1/8/3850952/valve-meeting-with-hardware-and-content-developers-at-ces-pisto

Here's some sort of confirmation from a "Valve Official" http://www.polygon.com/2013/1/8/3850952/valve-meeting-with-hardware-and-content-developers-at-ces-piston-one http://www.polygon.com/2013/1/8/3850952/valve-meeting-with-h...