sudo apt-get remove --purge xorg-driver-fglrx fglrx-kernel-source
After that, the post suggested a reboot, and so I did. I was no longer able to get Xorg up and running! There was a step missing, edit /etc/X11/xorg.conf and change the driver from fglrx to ati. Now you restart kdm and you’re now running the ATI Open-Source drivers.
As suggested by other people, I also thought I’d loose 3D rendering but NO!
What’s even greater is that the compiz effects are even faster than with the proprietary drivers.
Sure, there are still glitches with the open-source drivers, but nothing one can’t live with, at least for now.
So, here comes what I said in the title of this post: