.., or take a photo. looks like one except the noise. 60 hours?? you got us all amazed; and i thought there was nothing new under the sun. you can cache the shadows (although i don't remember seeing any, cant see from the reply window) and that should save time?? or get a new CPU?? 60 hours?? my computer would have restarted by then.., you must have given your heaps.
looks great though, different strokes for different folks...
take it easy and life will be easy