hi odf, No, I haven't used arrays. I was trying to simulate photgraphic lighting as closely as possible with single lights. I'm not a big fan of 50-light setups. I was a fashion photographer for many years and I know that simple lighting is usually far more effective than complex setups. The other reason is that I don't want to inflict huge numbers of lights on the users. It's already difficult enough on a medium-power machine to render 3 lights with shadows. An IBL fill is much softer than any array will ever be, and very quick to render. mac