-- Dist-upgrade your Debian system to Sarge (testing) or Sid (unstable). Install "kernel-image-2.6-686".
-- Read
http://www.linuxquestions.org/questions/answers/259
-- Run (as root) "dpkg-reconfigure -plow xserver-xfree86". Select the correct driver for your video card and the correct refresh rates for your monitor. If you've got enough RAM, select higher screen resolution.
-- Run (as root) "dpkg-reconfigure libpango1.0-common" and entrust font management to defoma.
-- Run (as root) "dpkg-reconfigure fontconfig". If you've got LCD display, enable sub-pixel text rendering. Enable the freetype autohinter module.
-- Install "msttcorefonts" and add the line
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
to /etc/X11/XF86Config-4.
Hope this helps.