;; Add Xfce and Ratpoison; that allows us to choose
  ;; sessions using either of these at the log-in screen.
  (packages (cons* xfce ratpoison    ;desktop environments
                   xterm wicd avahi  ;useful tools
                   nss-certs         ;for HTTPS access
		   xf86-video-ati
                   %base-packages))

  ;; Use the "desktop" services, which include the X11
  ;; log-in service, networking with Wicd, and more.
  (services (cons* (slim-service 
	    		#:startx
	    		(xorg-start-command 
	    			#:configuration-file
	    			(xorg-configuration-file #:drivers '("radeon" "modesetting" "vesa"))))
   %desktop-services))

;; > guix system reconfigure /etc/config.scm
;; > guix system: error: service 'xorg-server' provided more than once