There isn't a hardware standard for Valve's upcoming Steambox concept. While the goal of the initiative is to move PC gaming from the desk to the living room, that doesn't necessarily involve a single hardware standard or minimum spec, Valve hardware engineer Jeff Keyzer told Engadget in an interview this morning at CES 2013. "It's going to be different things for different people. We're interested in investigating an ecosystem of devices that don't necessarily have to share a common spec," Keyzer said. Nothing's set in stone, of course, and Valve's still very much in the exploratory phase of its Steambox push. "We're exploring the space, and trying to unde