That's best done with sighted assistance at least someone that's not afraid to read the screen for you the first time. You do well to take notes about questions asked and answers supplied, if you install redhat those questions and answers can come in useful later. If you don't install enigma redhat you might be able to get speakup running on your system or emacspeak. Graphics? They're not accessible and won't start to be until maybe the end of 2002 in gnome. Even so, the best time to install a screen reader for a graphics system is never. As a fall back position, wait 10 years after the first claim of accessibility is made. That way, you won't be left hanging off the bleeding edge.