Ok, I ran sudo dpkg-reconfigure xserver-xorg and selected the nv driver instead of nvidia and I can get X back up. Great.
Unfortunately I won't be playing CoD using Wine for a while. Setting the driver to nvidia returns me to the no monitor found error (this happens when I run nvidia-xconfig).
Running Beryl now totally screws up the GUI. Well, it was to be expected..
The distraction that is AMSN refuses to load (Is this a bad thing?
) - wish not found. Reinstalling fails. tk not found.
glxgears: Error: couldn't get an RGB, Double-buffered visual
I have tried reinstalling the nvidia drivers with Automatix but this returns me to the problem of no screens found. Setting the driver to nv offers half a fix.