Threads like this (with the implication that the gospel accounts contain fiction/fraud) are simply too long for the relatively few believers (in the historicity of the Biblical accounts) that post here to at all reasonably respond to. In my opinion such lengthy "scholarly type" threads (almost always from a liberal prespective and presuppostional framework) would reallly be better posted (if opposing discussion/debate is desired) on more dedicated forums (theology web?) -wherein such material would be much more likely to be responded to by conservatives who have the time and background for such discussions. It may also be helpful on threads like this if any modern book sources for arguments being used (if any) were also listed.
That said the following offers some points regarding similar type arguments by others:
http://www.tektonics.org/gk/helmsr01.html