The long wait time period is now over for me and my family as we finally received our passport request yesterday through an email. Here is roughly the timeline:
PR application submitted on January 6, 2011;
AOR and medical request: July 7, 2011;
Medical done: July 22, 2011 (for my dependents in the USA) and August 2, 2011 (for me in Canada);
Started processing your application: October 26, 2011;
Addititonal documents (FBI PC) requested: November 1, 2011
Additional doc submitted: January 12, 2012;
Passport request: March 7, 2012.
Good luck for those who are still waiting. I am sure the stress will very soon be over....