Google has launched several new features for Google Blog Search today. These are: RSS AND Atom feeds, an iGoogle gadget, a "hot queries" features, and a "latest posts" feature.
RSS and Atom Feeds
Google says the addition of the feeds has been its most requested feature for Blog Search. Users can subscribe to specific topics or stories. There is a "subscribe" heading in the left-hand column on the site, and underneath that are links for Atom and RSS.