Maximum PC: There was quite a bit of mystery surrounding Xi3's Piston PC at the Consumer Electronics Show (CES) in Las Vegas earlier this year. Early reports pegged the PC as being Valve's hotly anticipated Steam Box, and when asked straight up by Maximum PC Online Editor Jimmy Thang, Xi3's chief marketing manager, David Politis, played it coy. Now two months later, a branded version of Xi3's Piston PC has broken cover on Facebook and Twitter. (Infinity Ward, PC hardware, Valve, Xi3 'Steambox')