It's good to see Apple so pro-gaming...
Apple posted this page about their presence at QuakeCon 2001:
Apple will be at the show supporting Quake III Team Arena on Mac OS X, running both open game play and official Team Tournaments on blazing fast dual 800MHz Power Mac G4s utilizing NVIDIAs newest graphics accelerator, the GeForce 3.
As posted before - id will be announcing new games at QuakeCon.