Romenesko
Social Hallucinations blog
Social Hallucinations blog
Jon Fine on Media
The “Best” Media Blog
Chris Brauer Media Project Blog
Practical Blogging
New Media Mike Blog
Social Desire Blog
The Media Artist
Adliterate Blog
Media Bistro Blog
Organic Frog Blog
Objectify This Blog
New Media Initiatives Blog
Steve Kilisky’s Dynamic Media Blog (Adobe)

According to Forbes, Best Media Blogs:
1) Metafilter
2) BlogCritics
3) iWantMedia
4) Gawker
5) Romanesko