Thought it might be useful to open up a topic specific to the X10's Physically Based Rendering(PBR) feature. Please share your experiences, tips and techniques.   Here's one I just ran based upon the Fire-Ice-Kitchen from CA's sample gallery.   Please note that the lights in this scene have been altered as have a number of the materials. Pleased with the result except for the fact that it does not render glass objects very well, there are two wine glasses in front of th