It seems like there was a PR update last night. Several threads have started to discuss the latest change. Of course, every ranking change is followed by posts of how the search engine in question is either going down hill or better than ever so what better time for us to point out the Negativity towards Google discussion on High Rankings.
Speaking of search engine popularity SEW points to a study about the danger of calling something a trend before it has had a chance to establish itself. MSN Search, touted last month as gaining on Google, lost market share this month. Danny reminds us that it takes months to really see a pattern emerge. So watch this space.