> a photorealistic 3D world because we don't know how to do it (we
> learned about ray tracing, radiosity algorithms and so on) but only
> because our machines are too slow.

It may be too slow for a practical AI but it should still be possible to
VALIDATE my ideas with what is available. 

-- 
Linux has more source code than my brain.
http://users.rcn.com/alangrimes/