>> Hopefully someone will try its hand at least to speed up povray triangle 
>> handling.
>>
> It would be extremely difficult to handle triangles, and e.g. spheres or 
> isosurfaces consistently if you use different ways of computing them.

Yes, unless you do the whole lot on the GPU you're going to get bogged down 
with CPU<>GPU communications.

If you converted POV to run on the GPU then it would take a huge amount of 
work and would no longer be as portable as it is today.  AFAIK the POV team 
don't want either of those two things so it's not going to happen.

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