Legal Opinions added to Google Scholar
Here is something from Google on the addition: http://googleblog.blogspot.com/2009/11/finding-laws-that-govern-us.html
and here is one other blog post from a law librarian who reviewed it: http://lawprofessors.typepad.com/law_librarian_blog/2009/11/testing-google-scholar-for-legal-research.html