Perfect Grade parts have definitely been an interesting experience versus master grades. The parts are larger, there is more detail on them and opportunities to paint. They are slightly more complex, but nothing I can't handle. Because I am working on a 2002 release perfect grade there is some stuff that will need seam filling, but the parts are very tight fitting and not much putty will be required to fix these minor issues.
I'll take pictures next time I am downstairs.