llrx.com has an excellent resource guide listing search engines, blogs, news and alert services that they have updated on March 28, 2009.
Bob Ingle: The Soprano State: New Jersey's Culture of Corruption
Carole Levitt: The Lawyer's Guide to Fact Finding on the Internet, 3rd Ed.
Eric A. Popkoff: The Expert's Guide to Internet Search & Research
Tara Calishain: Information Trapping: Real-Time Research on the Web
Chris Sherman: Google Power: Unleash the Full Potential of Google