BumpTop Free Download (http://bumptop.com/download.php - broken link)
This was purchased by Google, so it's the last days to get it free from the
original source.
It is a 3D Desktop so you can arrange your icons & such.
Here are some pics of what it looks like: (very cool!)
bumptop - Google Search
I really would like to try it, but I'm afraid it will slow down my computer. If anyone has used it.....please let us know if you enjoy it.