20 hrs for a full HD render. and there are some lights not directly visible, and there some glass/reflections on the way.
And-most of all- it's a single core PPC G4 with 2GB memory @1.5GHz only.
btw.
I'm familar with other engines, i'm into 3d-design for more than 15 years now [:">] Still remember the times when one LowRes frame take a day or more.....

greetz
macfrog