I dunno, with Poser's skin shaders, SSS, and the fact that AO is faster than Vue's (admittedly excellent) IBL I could see some real benefit to rendering in P6. In Vue 4 at least you can only export terrains, not plants. I think the pro/infinate versions can export plants as meshes too. But Vue can handle MUCH larger scenes than Poser so I'd stick to Vue for rendering major outside shots.