This link shows an example of both vector flightpath and raytracing. 720 frames, taking about 7 hours to render on a 1.8 Ghz single CPU machine.
http://www.daylongraphics.com/products/landshaper_golf/gallery/flyover_rt.swf
The water waves were turned off because they make it a lot slower plus I believe the bump pattern is not frame coherent (would flicker when animated).
Ray