then in gdm.conf
command=/usr/X11R6/bin/X -novtswitch -sharevts -nolisten tcp -layout Seat0
command=/usr/X11R6/bin/X -nolisten tcp -novtswitch -sharevts -layout Seat1
Note: I am messing with the isolatedevice command, but I haven't been able to get that from freezing up on login. If u tell me specifics I might be able to help as I have reconfigured more times than there is sand in the sea. I will give that shutdown thing u mentioned a shot after i post this.