You know, I thought I remember reading on some other site that the Gigabit mobo overclocking doesn't always get you 133MHz, sometimes it's more like 115(?). So dbculp, I guess it's your opinion that with the other PCI slot potential problem, it's not worth it just for a 33% gain in bus speed when the processor isn't going to push it that hard anyway.

That's my take on it. You know, a lot of the 933 MHz G4 CPUs being sold on eBay these days are just oc'd 733 processors. Instead of messing with the mobo bus speed why not take a chance and set the CPU resistors for 9x, clean off the black goop Apple uses on the CPU and heatsink, apply a high quality thermal compound (I use Arctic Silver Ceramique) and see what happens????