My two primary OS 9 machines are:

B&W G3 with 500 MHz G4 upgrade, 512 MB RAM, stock 13 GB hard drive, stock Apple Zip drive, upgraded with Apple-labeled DVD-RAM drive, ATI Radeon Mac Edition. External LSI SuperDisk drive, using matching B&W Apple 15" VGA Studio Display LCD.

G4 Digital Audio with 1.5 GHz upgrade, 1.5 GB RAM, 20 GB hard drive plus 60 GB hard drive, upgraded with Apple-firmware-flashed "SuperDrive" (it's the same model Apple included,) nVidia GeForce4 Ti4600, Apple 17" ADC Studio Display LCD.