In the last few months, there has been a lot of talk about Xgl, compiz, AIGLX et cetera.
Some more information :
Accelerated X flame wars!… Maybe not
http://en.wikipedia.org/wiki/AIGLX http://en.wikipedia.org/wiki/Metacity http://en.wikipedia.org/wiki/Compiz
In my humble opinion AIGLX is the best “short term” solution. In the “short term” future it will be just a matter of setting a gconf setting to make metacity (the default window manager for Gnome) work with AIGLX.
from AIGLX project :
Will my NVidia card work?Not at the moment. The free ‘nv’ driver doesn’t support 3d acceleration, and the proprietary driver doesn’t have the necessary extentions.
NVidia has told us that they will be adding support for GLX_EXT_texture_from_pixmap once the extension has finalized, and we might see in one of their upcoming releases.