News of the storyline straight from the horse's mouth (Don Murphy, the producer of the movie).
"They come from Cybertron
They are not man made
They are here because we have the matrix (probably can't call it that anymore)"
http://www.donmurphy.net/board/showt...5&pagenumber=1
Just look out for Don Murphy and what he writes there. He goes into suprisingly great detail in some areas, and he's being nice enough to answer the questions of (whiny) Transformers fandom!
I'm happy with what I'm hearing thus far.