X hosed after update

[Shahnurel]

$ startx
xauth: *creating new authority file /home/sam/.serverauth.2680
/etc/X11/xinit/xserverrc: line 5: /usr/bin/X11/X: No such file or directory
xinit: *Server error.

then after doing the apt-get update ; apt-get upgrade
and dpkg-reconfigure xserver-xorg,

dpkg: warning: obsolete option '--print-installation-architecture', please use '--print-architecture' instead.
dpkg: warning: obsolete option '--print-installation-architecture', please use '--print-architecture' instead.
dpkg: warning: obsolete option '--print-installation-architecture', please use '--print-architecture' instead.
xserver-xorg postinst warning: overwriting possibly-customised configuration
file; backup in /etc/X11/xorg.conf.20120805000151
/var/lib/dpkg/info/xserver-xorg.postinst: line 2865: dexconf: command not found
xserver-xorg postinst warning: error while preparing new Xorg X server
configuration file in /etc/X11/xorg.conf.dpkg-new; not attempting to
update existing configuration

[mizzle]

Try backing up your xconfig, and then do
apt-get remove xserver-xorg --purge

That will completely remove all settings, etc. Then, install again.