The message of the New Testament is that Jesus is who everyone was meant to be expecting - because he is the Christ of the Old Testament. Jesus is the expected Eucatastrophe not some Deus Ex Machina moment
Andrew's 10 minute summary video is a great way to catch the big picture:
Old Testament Summary from Juicy Digital (Josh) on Vimeo.
More from Andrew Wilson here: Atonement: Redemption and here Kings Church Eastbourne