If you are interested in learning more about teachers who blog and what it is that they talk about, a good place to start is at the weekly Carnival of Education, hosted by a teacher blogger known as the Education Wonk. Each week's collection of posts and links (which, in blogger-speak, is called a carnival) is a round-up of the stuff going on on teacher blogs all over the blogosphere.
There's always an interesting post or two (or fifteen), and any teacher blogger is welcome to submit their articles/posts/links for consideration. They're usually added in.
I'd encourage you to check it out -- lots of interesting stuff and it's posted once a week on Wednesdays.
If you do check it out, drop in with a comment here to give us your feedback.