The following diff is from the more recent upgrade in edgy.
- Previous: xorg.conf.20060930213730 - Today: xorg.conf
No relevent configuration file changes, as far as I can see, but it might give you an idea of what changed in the upgrade.
In both of these cases, I have taken the default, and auto-detection options from 'dpkg-reconfigure'.
The following diff is from the more recent upgrade in edgy.
- Previous: xorg.conf. 20060930213730
- Today: xorg.conf
No relevent configuration file changes, as far as I can see, but it might give you an idea of what changed in the upgrade.
In both of these cases, I have taken the default, and auto-detection options from 'dpkg-reconfigure'.