You should definitely check out The Viral Garden where Mack Collier (a "Social Media Consultant) publishes a weekly round-up called – The Viral Garden’s Top 25 Marketing Blogs.
For this week, the Six Pixels of Separation Blog makes its debut at #16 (thanks Mack!) with the number one spot going to Seth Godin.
You can check it out, and explore some other great reads over here – The Viral Garden’s Top 25 Marketing Blogs – Week 89.
There’s some great insights and Marketing passion on this list.
Enjoy.