Web Forums (forums and chatrooms)

Arachnoboards

Venom List
Petbugs Arachnid Forum
InsectHobbyist Scorpion Forum
Blogs (online webjournal communities)
Livejournal Scorpion Enthusiasts community
Livejournal Arachnidian community
Mailing Lists (online e-mail list groups)
Yahoo! Scorpion Enthusiasts group
Yahoo! Scorpion Fans
Online Retailers (where to buy your scorpion)

Botar By 8s no known minimum

Golden Phoenix Exotica$40 minimum order

Northwest Invertabratesno known minimum

Regal Invertabrates$50 minimum order

Glades Herp Inc. $100 minimum order

InvereTrade - international invertabrate trade forum.
Cold Blooded Creations
For Everything else
Scorpion Link Page

Scorpion Resource - care for common hobby species
These lists are far from all enclusive, they are hand picked by me as people I would trust buying from and websites/groups that I visit on a daily basis.