Poynter Romanesco
It's the weblog formerly known as Jim Romenesko's MediaNews and, before that, as Media Gossip. It provides journalists with brief commentary about (and links to) articles about journalism or journalists.

Project for Excellence in Journalism
The Pew Research Center's Project for Excellence in Journalism is a research organization that specializes in using empirical methods to evaluate and study the performance of the press. It is non partisan, non ideological and non political.

Media bistro
mediabistro.com is dedicated to anyone who creates or works with content, or who is a non-creative professional working in a content/creative industry. That includes editors, writers, producers, graphic designers, book publishers, and others in industries including magazines, television, film, radio, newspapers, book publishing, online media, advertising, PR, and design. Our mission is to provide opportunities to meet, share resources, become informed of job opportunities and interesting projects and news, improve career skills, and showcase your work.

STATS
STATS is a nonprofit, nonpartisan research organization affiliated with the George Mason University. Our mission is to improve the quality of scientific and statistical information in public discourse and to act as a resource for journalists and policy makers on scientific issues and controversies.