UpsetChaps has posted a Quake 3 guide. Thanks Clayton.

We have compiled a variety of settings so see which give you the best compromise between FPS and visual quality - Uppermost setting in the table are best visual, lower FPS with the lowest visual quality and best FPS at the bottom of the table. These settings provide far more flexibility than you can achieve by using the in game menus. Sound does cause slowdown in Quake3 on some systems so we have included sound tweaks. Be sure to visit the console commands section to read about setting your com_hunkmegs, com_zonemegs and com_soundmegs correctly.

Read more