OK, OK, I admit, I want an Oculus Rift and I will do unspeakable things to any human being of your choice in order to get one. (Er, better not hold me to that.) Stereoscopic 3D in games has left me either unmoved or with a headache to date, but these VR goggles are so much more than that. They mean videogames BEAMED DIRECTLY INTO MY BRAIN, or thereabouts and, as this video of an OR modification for Crysis demonstrates, they also allow the use of natural head movement to look around game environments.
Early days, so don't judge it for the lack of crosshairs and whatnot - it's proof of concept. And what a concept. I really hope PC games don't largely ignore OR (and any similar headsets which might emerge) - this has the potential to be significant rather than merely a gimmick.
The same chap's done a similar mod for Half-Life 2 and Black Mesa: