I would love it if a genuine collection of the teachings of Jesus were to be found, along the lines of the "Gospel of Thomas" , but without doubt almost written as Jesus spoke them.
The Science channel program made the point that at least one of the lost gospels had only spoken sayings of Jesus - it ommitted completely the fabulous stories of miracles such as walking on water or the making of the loaves and fish. This was taken (it was implied) that this was evidence that it was more primative.
That could also be taken by skeptics to mean that some of the more fabulous or miraculous incidents may have been manufactured later, according to the general rule of "chinese whispers" in a largely oral tradition.
It was also pointed out how unlikely it was that the traditional Matthew, Mark, Luke, and John were even the true authors of "their" gospels - being that practically none of the ordinary population of the day was even literate in written language. I always thought it unusual that nothing in them is very "first person" like (for contrast) the letters of Paul.