I recently came accross a blog post titled "Legal blogs as legal scholarships?". It is a very interesting perspective in the value attributed to legal blogs inside and outside a court of law. For more details on this, you can visit http://www.slaw.ca/2007/12/20/legal-blogs-as-legal-scholarship/.
Furthermore, Mr. Tarun Jain analyses further the value of such legal blogs in distinguishing the nature of a legal blog and a legal article. You can read this well written blog by visiting http://legalperspectives.blogspot.com/2007/12/legal-blogs-versus-legal-scholarship.html.