Thanks Hef, I will see whether I can even download this on my new e-reader.
I don't believe there is a single written record in the New Testament by an eyewitness of Jesus.
It is indeed rather interesting that the oldest gospel, Mark, was written ~70 AD by one of Peter's listeners. Apparently, because the author makes geographical mistakes that Peter wouldn't have, I guess there was no vetting process, i.e. Peter might never had read this account of Jesus.
It seems the later gospels were "enhanced" theologies based on years of reflection on the texts and people's own interpretation of the text(s). As you say
You can see how they adapted Mark's text to fit their particular theological viewpoints in presenting their versions of the gospel of Jesus.
I think just as the Roman Catholic Church added to their Christology by deriving (questionable) theological truths based on the existing scripture, I think the actual writers of the gospels did too, and of course someone like Mark as well (as he was already no longer a direct eyewitness).
Even more, I think the apostles are 90% of Christian theology, not Jesus himself. They were all part of Jesus' circle, waiting for the end of days and the inauguration of the Kingdom. And then Jesus gets killed, essentially over something asinine. And the end of days never comes. Sure, Jerusalem gets destroyed, but after that there's still no Kingdom. And I think in face of all those sobering facts, things started to move, theologies were developed to accommodate those facts. And I think that's what we see these days as "Christology".
I tihnk the understatement of Jesus in Mark as compared to the other gospels is not incidental; I think it was written right at the cusp of where things started to move, and thus still reflects the old, more "realistic" Christology somewhat.
rumborak