Describe AtiHowTo here.

For the moment: Flavio Stanchina provides an installer-package for the proprietary ATI graphics drivers. You find the package and a how-to at http://www.stanchina.net/~flavio/debian/fglrx-installer.html or http://xoomer.virgilio.it/flavio.stanchina/debian/fglrx-installer.html.