Wow, I just got lucky seeing this thread when I did!
I ordered my RRWOZ yesterday from an authorized distributor in eastern Canada and didn't order it with the playfield protector (just with the invisaglass). Well, I called them bright and early this morning and got that added to my order which was no problem, phew! Better to be safe than sorry when you're spending this kind of money of a machine. Can't wait for it to arrive!!! My first BNIB machine