I’ve decided to switch from Ubuntu to Debian Unstable.  A couple of years back I used to use Debian exclusively, but I got a little bored with it because it always worked!  Well, I’m kind of tired of Ubuntu’s graphical issues and the strange decisions Canonical makes (though I do kind of like Unity).  I’ve made the switch to Debian and have both Gnome Shell and KDE installed.  I tend to use Gnome Shell more, and am actually starting to like it.  There are no graphical problems like Unity had (Compiz always gave me problems, even before Unity).  I think I’m pretty happy with the switch!