Web Resources for Writers
Genre Writers Organizations:
Interested in writing for youth? Check out the Society of Children's Book Writers and Illustrators.
Writing Science Fiction and Fantasy? See what the Science Fiction and Fantasy Writers of America have to offer.
Romance writers, check out Romance Writers of America.
Almost all the genre organizations hold conferences, so don't forget to check the above websites.
For a listing of conferences by state and type, try the Shaw Guides.