Even if you are rich, case law alone is so onerously large that perusing it and studying it would take a lifetime. I spent about ten minutes trying to find out just how large the corpus of case law is, and could find no references.<p>Score one for the little guy, though: Google Scholar indexes (some; not sure how much of the corpus is covered) case law, as of Nov. 17, '09: <a href="http://googleblog.blogspot.com/2009/11/finding-laws-that-govern-us.html" rel="nofollow">http://googleblog.blogspot.com/2009/11/finding-laws-that-gov...</a>