Found this and thought I would pass the links on.
http://forums.luxology.com/discussion/topic.aspx?id=40446
http://forums.luxology.com/discussion/topic.aspx?id=40614
http://forums.luxology.com/discussion/topic.aspx?id=40446
http://forums.luxology.com/discussion/topic.aspx?id=40614
I remember trying to figure out POV-RAY when it first came out. My God, what was that... about 18 years ago? Some basic steel ball was going to take like 18 hours to render. I never messed with it again.