Blogs about Blogging

About.com Weblogs - Professional blogger / freelance writer Deborah Ng covers a wide range of blogging topics for all levels of blogger, but is especially good for new bloggers.
Advanced Business Blogging - Two people who are really making money with blogs and new media and showing others how to.
Blogging for Business - Ted Demopoulos focuses “on practical business implications and uses of new media and technologies, including Blogging and Business, pod-casting, and other ‘Cool Internet Stuff’.”
Andy Wibbels - The author of Blog Wild! puts emphasises blogs for small business marketing, but his tips are useful for all bloggers.
Problogger - Darren Rowse is the definitive guide to making money with your blog.
MasterNewMedia - A site about independent publishing and social media which publishes articles showing how to create effective blogs and improve online marketing strategies.
Copyblogger - a great resource of no-nonsense information for bloggers (and everyone else who wants to learn how to write well)
DailyBlogTips - a place where you can find useful tips to improve the quality of your blog. Updated daily.
Blogging Pro - news, tips and technical support for bloggers.
Blogs in Education - a great list of useful resources aimed at those who want to use blogs for educational purposes.