Howdy,
i recently installed "PCI Extreme", which can be found here:
http://www.versiontracker.com/moreinfo.fcgi?id=16006&db=macosx
My Configuration is a G4/450, with 640MB, a Ati Rage 128 and a ATI Radeon 7000 PCI. Since Quartz Extrem only works on AGB Cards, "PCI Extreme" makes it...