AGP as in Sawtooth? If so then probably the Radeon 9800 pro or Geforce 6200, Those are the best for a 2x AGP slot. If your gettin the Digital Audio Or Quicksilver then the Geforce 6800gt or 7800gs (7800 with g70 core). Or if by Jacked you mean the worst than the Rage 128. lol
Mac Pro
Powermac G5
Powermac G4 DA
Sawtooth G4 AGP
Powermac Cube
Atari 2600,