Here is their mission on their "about" link:
It looks like us Montana bloggers are one of their first posts.
Our mission at State Political Blogs is to cover the state-level political blogging scene and to build awareness about the value and impact of blogs that cover state and local politics.
We’re libertarians and conservatives. We want libertarian, conservative and free-market blogs to thrive and prosper. We’ll be providing ideas to help with that, and shining a light on state political blogs that are especially effective.
Update: I forgot to mention how they point out our friends on the left's hypocracy on the tenor and civility of debate between left and right.