Don't know about the first bit as I am from the UK, but the processing time it seems is very hard to judge. I thought I would have had mine before I got it today. so I don't think anyone can give you a proper answer to that I'm afraidAfter getting PGWP, do we need to update Visa on our passports? Because it is mentioned as student and expires on when my study permit ends.
One more , I applied PGWP on Sept 8th,hope currently Sept 2nd files are processing. I think I need to wait for more a week. please correct If I am wrong?