Google Scholar (A New Google Beta)

Google is moving into the world of libraries in a big way
From the About Page:

Google Scholar enables you to search specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research. Use Google Scholar to find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the web.

Check out and see what you think. There’s Brief Mention on Reuters, as well as The AP.