Tempest 3000
Anoxic Games: Tempest 3000, ClassicGaming.com: Tempest 3000 Review, NUON Reactor: Tempest 3000 Preview, Open Senses: Tempest 3000 Review, Tempest X000
GameArchive: Atari Tempest
Information on the arcade version includes designer interview, troubleshooting flowchart, and cheats.
Gamespot: Tempest X3
"While Tempest may have been a great game in 1981, this update for the 1990s doesn't really add anything worthwhile." Review of the Playstation version by Jeff Gerstmann.
GameSpy: Tempest
Information on the history and evolution of the game concept to different platforms.
Tempest
Arcade version fan page includes emulator and links to relevant information.