"Of course there aren?t many more 3D movies on Blu-ray as there are 3D games."
Thing is - nearly every game that uses 3D internally (which is most games on a system like the PS3) can be easily converted to work with a 3D monitor, hardware permitting.
Games are already sending 3D to the video card, because it's used in the rendering process. It's just that it's converted to 2D in a rasterization step before it hits the display.
In most cases, the game devs themselves don't have to do anything special. The drivers can take care of it.
. . . at least that's the way it works on PCs. nVidia's drivers doesn't need explicit permission from the games in order to render them in 3D. Videos cards and their drivers are already working with information in 3D, so it's not a big step to use that information and apply it to a 3D monitor.
Movies, on the other hand, are a different matter. Unlike video games, there is generally no 3D information available when the movie gets to the drivers and video card. Thus, they need to add it.
"Will all of the PlayStation 3?s 3D features give it the edge?"
Against the 360 - there's a chance. Against the Wii - not a chance.
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