...are there some? the firewire 800 desktops only had the same cards as the previous OS9 machines.
then...
mac mini G4 1.5: Radeon 9200 pro agp 4x
ibook G4 1.42 (2005): Mobility Radeon 9200 pro
ibook G4 1.42 (2005): Mobility Radeon 9550 pro
PowerBook G4 1.0 Aluminium: GeForce4 440 Go
PowerBook G4 1.0 II Aluminium: GeForce FX Go5200
PowerBook G4 1.0 II Aluminium fw-800: Mobility Radeon 9600
PowerBook G4 1.5 III Aluminium fw-800: Mobility Radeon 9700
PowerBook G4 1.67 IV Aluminium: Mobility Radeon 9700
iLamps: GeForce2 MX, GeForce2 MX, GeForce FX 5200 Ultra
XServe G4: unspecified Radeon, optional Radeon 8500
wow. and as we know, not even the radeon 9200 pro of the first alu series would work with OS9, even though it is very close to the AGP and PCI based 9000 pro, 9000, and the radeon mobility 9000 of the OS9 boot tibook 1.0