I auctually just did a test with 20 models with 420 spheres in each. Each sphere had 120 polys. The number of polys per model was 50400. The number of polys on screen was exactly 1,008,000. My FPS was only around 14, but that's pretty good for that many pollys. There wasn't any shader or such attached, but there was a 2px*2px texture applied to each sphere. With a texture of anything normal (256 or 512), the FPS would probably die. So the engine can support a very large number of pollys, but the need isn't there... This is on a GeForce 6800GT and a 2.8GHz processor with ~1024MB DDR.

Brian