First look at this one which is free, java and available now...
From https://lg3d.dev.java.net/ and make sure you look at the Minority Report (Go Monkey) video in the blog3d section
Then check out this bootleg:
Internal Review Of Microsoft Windows 3D Vista @ 2007, which is not out until next year.
Try it through webstart @lg3d.
If you look carefully you can see where they are trying to catch up with Gnome too.