Blog Search Tool
Official Google Blog: New Blog Search tools: Feeds, Hot Queries and Latest Posts
if you use google to find blog on topic,then Google had launched the new Google Blog Search homepage with new features: RSS and Atom feeds. just one click on 'Subscribe" in Blog Search front page to subscribe to topic feed reader, like Google Reader,e.t.c,
Not aware of feed reader, but using iGoogle gadget, then you embed the Blog Search front page in your iGoogle page where iGoogle gadgets are accepted.
explore these new ways to read Blog Search stories, with new features added to the Blog Search homepage to help you better discover what people are talking about right now on the web: Hot Queries and Latest Posts.
a lot of great, fresh content being published in blogs daily with these new features will help you discover more of it, faster.