Which is the best Search Engine Marketing (SEM) blog?

I’ve found some interesting blogs like SEOmoz, Jonathan Mendez, shoemoney, searchenginejournal, martinez, Avinash Kaushish etc, but am finding it difficult to follow so many. Any expert opinions out there on which are the best blogs in this field? Can be abt SEO or PPC. Thanks!

In my opinion SEOmoz indeed is a great SEM. If you’re using SEM blogs to find answers on your questions, my advice is to sign-up at a forum with SEO experts so you can ask your questions directly instead of browsing articles. If you’re just reading blogs to discover new information then ignore the previous advice. If you’re interested in SEO expert advise, you might enjoy a visit to my new Webmaster / SEO Forum. You’re able to post questions there and receive advice from SEO experts. My forum is listed in the source list.