University of Iowa School of Journalism
-Useful if you're in the School or hoping to be soon!

Ed2010
-Job and internship listings, Ask Ed help sections, message board and more.

Mediabistro
-Many professional journalists use this site to keep up on the industry.

Gawker
-Manhattan media gossip blog.

Glossed Over
-Commentary on fashion magazines.

JournalismJobs.com
-A place to begin the search...

Publishers
Conde Nast
Fairchild
Hearst Magazines
Hachette Filipacchi
Meredith
Time Inc.
PRIMEDIA
Rodale