Has anyone seen the videos of the XGL system?  It is quite amazing.  The whole desktop windowing system is hardware accelerated...definitely cought my attention!

Here's the video of it in action:
http://www.novell.com/linux/xglrelease/

And if that got you as interested as me there is a Live Linux distro witht eh system running.  SO you can actually play with it yourself.  
http://getkororaa.com/

Hope you guys enjoy!