Got PPR today ;), here's my timeline:
Category: QSW
Visa office: Sydney NS
App sent: September 8, 2015
App received: September 10, 2015
AOR: December 30, 2015
ME request: March 10, 2016
ME received: maybe two weeks later
RPRF request: April 21, 2016
PPR: June 6,2016
Good luck to everyone!!!