An integrated Linuxdistro with all the great features of Ubuntu, but based on the KDE desktop. A good thing about Kubuntu is that it is free and can be downloaded, used, and upgraded for no money at all. Kubuntu can be either run off of a livebootCD, or installed. Kubuntu is a good OS for people who are new to Linux.
I currently dual boot with Windows XP and Kubuntu.
