Bumptop

Well, it might as well be the revolution that personal computers might need, I certainly like it, but might just be the geek side in me. On the site you can read:

BumpTop aims to enrich the desktop metaphor with expressive, lightweight techniques found in the real world.

In might opinion this prototype rocks and they might as well be right,just check out the demo video at YouTube, or if you prefer with better quality on the company website.