Their multi-monitor tech isn't as good as the one ATI has, 3D Glasses is more a gimmick since it fucks you over with online competition, but their CUDA support is very good since it's been out much longer than ATI Stream. Notebook i7s perform like shit unless you shell out for the best version which is way too much money, and don't expect mobile video chipsets to give you the best performance for the money since they don't match.
Side note, the power draw difference in between the new Nvidia cards and ATI cards are like night and day, I'd go ATI as a main card anyday just for that.
just press the button on the emitter and poof back to 2D and 120 fps...
However I play just fine online with the 3D... i'm not a sharpshooter anyways... and I play more single player than online (or L4D... but zombies die just the same).