Google has just recently released Google Blog Search which will really help bloggers to keep readers to be updated on their blogs.
What it does mean to me as a blogger?
The Google blog search has a pinging service that lets RSS feed of a weblogs so that when they updated their blogs, Google can display it on Google Blog Search and it your weblogs will be added to the index and crawled website.
How important Google blog search for SEO?
As an SEO your role is to keep your site gets crawled and indexed by Google and other search engines. So if you have a blog you have update your blog so that Google blog search will find your site and gets crawled and indexed.
What are the ways to get your weblog ping by Google blog search?
Either you do it manually or just update your site and let Google blog search finds your blogs. If you want to do it manually, you can submit your URL here
So everytime you update your weblog you can submit your weblog URL in Google blog Search.
For more information visit Google Blog Search Official FAQ