In our use of the Windows 7 Release Candidate so far, the biggest difference we’ve noticed is that it’s prettier. But Ubuntu has announced its intention to bring the bling too, and there is hope that 9.10 (Karmic Koala) might be the edition where they finally ditch the brown and go for something with a little more splash. More here

But you don’t have to wait for that either. You can make your Ubuntu pretty right now. Here are some example screenshots of themes you can install. These are full-blown themes, and installation instructions can be found here.