You know, for software that's € 39.95, that isn't too bad. You'd think Sony Vegas could add this € 39.95 functionality into Vegas. Perhaps a purchase is in order. I'm gonna keep hopin Vegas gets the power it needs :)
if you want just motion track motion is like a path, just you don't lay out points you do keyframes. I'm assuming that's what you want: to lay out points in a graph over time.