I'll bet you could set keyframes and do it manually.
Takes a bit of time.
Oh, and you can mess with the driven key stuff. Don't know where it is, but I know that'll fix it.
It alows you to move objects in relation to other objects.
"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man."
George Bernard Shaw - Man and Superman