2600 FAQ
Atariage - news, message boards, rarity guides, game database, manuals, pictures, articles, links, and much more
http://www.atariage.com/2600/faq/index.html?systemid=2600
5200 FAQ
Everything you ever wanted to know about the atari 5200 supersystem.
http://www.atarihq.com/5200/5200faq/index.html
7800 FAQ
Atariage - news, message boards, rarity guides, game database, manuals, pictures, articles, links, and much more
http://www.atariage.com/7800/faq/index.html?systemid=7800
Zutco
Atari, atari 2600,classic video games, atari carts, and the pac-man virtual museum
http://www.zutco.com/