Now that CSS3 is out and about with all its nifty animations, tranformations, etc... I've seen several interesting attempts to push these new properties to the limits while having a bit of fun in the meantime. Our Solar System is a great little experiment, complete with animated planets and other orbits. It does look a little quirky on my browser, Google Chrome 4.1, but an A+ for effort anyway. Here are a few other great CSS3/HTML5 links.