Microsoft's Ballmer: ARM? There's a Windows PC OS for That

Is this the siren song for the x86 architecture and its great bastion, Intel? It's hard to say for sure, but Microsoft's official announcement that it was supporting a more efficient rival architecture -- ARM -- certainly was met with little joy in Santa Clara.

At the show Microsoft CEO Steve Ballmer showed off a series of development systems running a "next generation version of Windows", which supported ARM. Microsoft layered Windows 7's graphical user interface on top of new OS to show just how smoothly an ARM powered Windows system could run.