If you put the screen on the front the cable should reach, check out my "Tired Roadwarrior" ibook mod on this site for how I did this conversion to an ibook. The results should be very cool.
PB G4 15" 1.2ghz - Pismo G3 400 mhz - iBook G3 500 "Jukebox"
"SawSmurf" G4 500 - Quicksilver G4 Dual 1ghz modding...