Re: plans for 3D vision under linux ???
Silicon Graphics were demonstrating 3D with LCD glasses in the early nineties; from memory it was running at 100Hz or 120Hz (ie each eye was still 50/60Hz). I saw it demonstrated and it was pretty impressive, but required monster monitors (for the time) to work well.
What market would buy this? Its either scientific research or gamers I would think - gamers aren't noted for their use of linux and the research group would be too small a market to worry about unless nvidia just wanted the kudos. I would seriously doubt that there is some nvidia lock-in with microsoft; if there was they wouldn't be offering accelerated graphics drivers for linux at all, and they certainly wouldn't have developed VDPAU.