A KDE desktop you can run from CD or from USB stick. It Can be installed as it is (no upgrade).
openSUSE 12.1 is a brand-new version of one of the oldest and most prominent Linux distributions on the market, has been released. This release represents more than eight months of work by our international community and brings you the best free software has to offer. Awesome improvements include the latest GNOME 3.2 desktop as well as the newest from KDE, Xfce and LXDE; your own Cloud made easy with mirall; Snapper-shots of your file system. openSUSE 12.1 comes with the new GNOME Shell 3.2. We presented you with a taste of GNOME Shell on openSUSE 11.4; since then, many bugs have been squashed and numerous small improvements have made life on the Shell more comfortable.
About openSUSE
The openSUSE project is a community program sponsored by Novell. Promoting the use of Linux everywhere, this program provides free, easy access to openSUSE, a complete Linux distribution. The openSUSE project has three main goals: make openSUSE the easiest Linux for anyone to obtain and the most widely used Linux distribution; leverage open source collaboration to make openSUSE the world's most usable Linux distribution and desktop environment for new and experienced Linux users; dramatically simplify and open the development and packaging processes to make openSUSE the platform of choice for Linux developers and software vendors.