Welcome to the board. First off, thanks for all the info - questions like this come up quite a bit but rarely give much info about what the person already has or what they shoot. Can't help much without it!

I'd probably go for the 70-200. It's a range you don't already have and should be very useful for PJ and motor sports. On an F5 it just might focus faster than your own eyes do! And the VR would come in handy with handheld panning shots.

I wouldn't replace either of the two zooms you have unless there's a specific reason you need to (like AF speed, etc).