I'm not yet sure if I want to run X.org itself inside a container. I might as well run X.org on the host (avoiding problems with my nvidia 3d acceleration and getting my Hauppauge TV working), and running applications like thunderbird, chrome, pidgin, vlc from inside a container, using X forwarding (have to check if that is all feasible..)
Links to running X.org inside a container:
These are the lines to insert into the vm-xorg/config file:
lxc.cgroup.devices.allow = c 1:1 rwm # dev/mem lxc.cgroup.devices.allow = c 13:63 rwm # dev/input/mice
using %DISPLAY variable + .xhosts, .xauthority, …