Here's what SPELL says about itself:
The Society for the Preservation of English Language and Literature (SPELL) is an organization of people who love our language and are determined to resist its abuse and misuse in the news media and elsewhere. We have almost 2,000 members in the United States and Canada. Members are from all professions and all walks of life -- doctors, lawyers, executives, engineers, teachers, writers, secretaries, students, retired people. The list could go on.
If you're proudly pedantic, this organization could be for you. Members are entitled to send a SPELL "Goof Card" to those who transgress the rules of grammar, syntax, and usage. "SPELL's bright yellow Goof Cards are becoming increasingly familiar in news rooms and broadcast studios across the country," they say.
(Hat tip to Legal Writing Prof Blog.)