As reported on Eurogamer , Valve's DOTA 2 and Counter Strike: Global Offensive will both support the Razer Hydra, a motion control device which uses magnetic motion sensing to track its two controllers in space.
Counter-Strike though, really? I can barely get a headshot when playing with an lazer mouse and four-ply mouse mat - attempting it with a waggle wand in 3D space all sounds a bit much. Still, I've not actually used the Hydra, I just fear change. And the chap in the following videos appears to get on just fine. Click through to watch a man explaining the Hydra's FPS controls, and playing a bit of Skyrim with the space-age apparatus.