I'm not sure about painting the case. Talk about opportunities to screw up!
Besides, what do you do after you get a slick looking purple and silver case? (Or whatever?) You've still got the monitor, keyboard, printer, etc., that are all in basic beige. Where does it end?
Magicthyse, do you think the red lights are too much? They look pretty sharp in there, especially the way they play off the red wire loom and red GeForce2 Pro.