I rather like the spottyness he got, guess its a matter of personal preference.
I do agree, the molding nub on the YW really sticks out. For that matter, there's something about the roof of the YW that bugs me too ... Perhaps its that it still looks like plastic. Maybe its too shiny? I just like the PC Rail roof more.
I haven't seen too many roof shots of modern boxcars and I do know they now paint the sides without worrying about overspray getting on the roof, but ....
Is is really that regular in appearance, ie a fixed constant width the whole way around the car? Or would it just feather out to nothingness instead of the more abrupt edge you have?