Mandriva 2012 technical preview
The installer in this technical preview gives you the option to install a KDE desktop (default), a GNOME 3 desktop, LXDE and Other desktop. I hoped to show screen shots from test installations of supported desktop environments, but the GNOME 3 installation was too buggy to use. As a result, only screen shots from the KDE, LXDE and Other desktops are featured.
Read the complete article at http://www.linuxbsdos.com/2012/06/19/mandriva-2012-technical-preview/