An interesting recent brief report of Internet For Lawyers is:

Are All Citator Services Created Equal? A Comparison of Google Scholar, Fastcase, Casemaker, LexisNexis, WestlawNext, and Bloomberg
by Carole A. Levitt and Mark Rosch (2012)

Hat tip to the January/February 2013 issue of The Internet Guide for the Legal Researcher Newsletter.

Cross-posted on Law Library Blog.