Hi All:
Go through the following links, it is having download and installation information regarding looking glass. I have installed it and it requires jdk and jre 1.5, its very good but its dead slow.
We will see same kind of desktop in coming years for Linux too!! Till then enjoy Looking Glass.
http://www.sun.com/software/looking_glass/details.xml
http://javadesktop.org/articles/LookingGlass/index.html
https://lg3d.dev.java.net/