poldek -u xorg-xserver-server \ xorg-driver-input-keyboard \ xorg-driver-input-mouse
poldek -u xorg-driver-video-XXX
]where XXX is one of nv/ati/nvidia and so on depend on your graphic card. See package description for more information.
First of all, just try to start X server.
Nowadays Xorg auto detection is quite good.
If, you want to make some changes, generate xorg.conf:
X -configure mv ~/xorg.conf.new /etc/X11/xorg.conf X
If something go wrong, look to /var/log/Xorg.0.log for details. Errors are marked by double E - (EE) ex.
(EE) Failed to load module "ati" (module does not exist, 0)
It means that probably, graphic diver isn't installed.