Edubuntu is Ubuntu's education edition desktop OS and it is basically designed for use in class rooms and schools, which makes the installer improvements even more important and noteworthy. Here are some more screenshots of Edubuntu installer.
Though these changes didn't got as much attention as it deserved, probably because of the hype around Ubuntu 10.10 nearing its final release, Edubuntu team has done a great job with these changes. You can watch the full slideshow here. [Thanks Jonathan]
Edubuntu website also had a relaunch recently. Meanwhile, Canonical is not done with changes to Ubuntu 10.10 installer yet and more eyecandy is on its way.