Google moved up to over 60% of the search market share:

…the top engines combined account for over 94% of all search volume in the US. Since we last released these numbers in June 2006, Google (www.google.com) has increased its share from 59.3% to 60.2%, Yahoo! Search (search.yahoo.com) has increased from 22.0% to 22.5% and MSN Search (search.msn.com) has decreased slightly from 12.1% to 11.8%.

Full article: Bill Tancer – Hitwise US: Google Breaks 60%