I found this really awesome game called Switchball. Its grpahics are really really good and it needs a good PC to run well. Its a really fun game where you control a ball in a 3D Obstacle course with lots of physics puzzles in it. Its really an interesting game and I think everyone should give it a try. You can get it off The Pirate Bay and its only 117 MB there for a full version.

I've played the game for ages and it really pulls you in if you play it. I would highly recommend everyone gives it a try.

Here are bunch of screenshots from different sites:
http://xbox360media.ign.com/xbox360/image/article/802/802873/e3-2007-switchball-screens-20070710021907621.jpg
http://a248.e.akamai.net/f/248/5462/2h/images.gamezone.com/screens/32/9/10/s32910_360_13.jpg
http://www.fun-motion.com/images/switchball-1.jpg
http://www.fun-motion.com/images/switchball-2.jpg

its realy hard cos i got stuck