The State of Blog Search, 2009 - ReadWriteWeb
http://www.readwriteweb.com/archives/the_state_of_blog_search_engines.php

What blog search engine should you use? That depends on your needs. In order to join a conversation, you've got to be able to find it first. Three ...

What blog search engine should you use? That depends on your needs.

These days no one thinks consumer-market blog search is a serious business, but many of us still have a need to limit searches to blogs. What should we do? ReadWriteWeb offers some recommendations and an assessment of the state of the industry below.

I like FriendFeed search

Different circumstances call for different search engines. We've made a chart below illustrating our different recommendations to fill different needs.