A while back some guys put together a really sweet looking 3d desktop system called Compiz. Another group put together the same sort of thing with different code called Beryl. More recently they merged, and it’s called Compiz Fusion. Here’s a video of the absolute latest and greatest development code.
Some of that seems like useless eye candy to me. The wobbly windows just don’t do much. But being able to handle the virtual desktops in all those different ways seems really handy. It’ll be really hard to pry Enlightenment off my desktop though.