To round of this thread, I was just about to post the following: Maybe you can post a simple Yes/No survey question. The results would indeed be interesting. My comments about there being a possible simple solution to this render problem are based on the reasoning that this effect may be a universal one. Forgive the pun, but if the spotlight can ne but on such a specific issue (rather than a myriad of possible sources within Poser) then the task of finding a solution is obviously grearly lessened. I wish you all the best in your attempts to locate the source of the problem.