Blogs Worth Checking Out

Like the newspaper I read everyday on the way to work, I am developing a list of Blogs that relate to our industry that I try and get to regularly.
If you have any suggestions please post them in the comments.
Right now my list is below:
http://www.socengine.com/seo/blog.php
http://www.searchengineblog.com/
http://www.searchenginelowdown.com/
http://sem.weblogsinc.com/
http://www.pandia.com/searchworld/
http://sethgodin.typepad.com/seths_blog/
http://www.seroundtable.com/
http://www.marketingvox.com/