I did not not see much more then what Smooth saw, and I am not sure I would have if you had not pointed it out. But it is there. That being said when I produce tours for customers I need to have a high quality product to the lowest common denominator, ie older computers. If it is as bad as you say thank you for pointing it out. We can only wait and hopefully EP will work out the kinks with the viewer. It is all part of the process of new software and I am sure they will fix it and make TW4 as good or better the TW3, It just will take some time.