A friend of mine completed his Ph.D. at St. Andrews University in Scotland under Prof. James Davila, who happens to keep a very informative blog on the internet. I have attached a link to it which will help to clarify the general academic consensus surrounding the Jesus Family Tomb phenomenon. In my experience, Prof. Davila is exceptionally balanced, which is decidedly less than I can say for Toronto film-maker Simcha Jacobovici—whom I met while working on a project in Jerusalem.
The entry on the blog page about the Tomb is the second entry for Tues, 27 February; just scroll down to find it.
http://paleojudaica.blogspot.com/