Actually I dont reject them as historical. I think that they are very likely accurate. When it comes to certain details, I am unsure, like the mass resurrection from the dead at the crucification. I cant say for sure whether or not that happened but to my knowlege there is no record of it in Jewish or secular sources. I find that a bit odd since that would have been a really big deal. And what happened to the mass of ressurected personages? Did they live to die again? Did any of them record their experiences? Things like that. But, these are a mere curiosity for me since the big question is, who is G-d? What does he expect from us? Again, I highly recommend, www.outreachjudaism.org .
I was thinking about this comment last night and it occurred to me that the resurrection of the people at the crucifixion occurred in Jerusalem. I would bet that any secular or Jewish sources recording this were subsequently destroyed when Jerusalem was destroyed by the Romans in 70 AD. Seriously, I am not aware of a lot of historical data coming out of that period, although I am no scholar.