Hi guys im from mx too and my husband is from canada , this process is been long and desesperante , so nice there is a place where u can see that actually other people is going throught the same cheers for everyone this is my timeline.
Married on March 2010

Sent Papers to CIC Missisaga April 12 ( como se escriba)
Letter of aknoledwe that they received: April 23 2010
Sponsorship approved : may 22 2010
File transfer and received by Mx Embassy : June 2nd 2010
Aditional Information letter: june 18 2010
they ask for payment : July 05
police certificates requirement letter : july 15 ( for the carta de antecedentes no registrales they take like about a week and a half )
Left the police certificates at the mx embassy : August 2nd
Letter from the embassy to ask my passport : still waiting........

Now is Middle october and i havent heard from them back , is kind of weird why they asked me for the payment and now they are taking long does anyone have any idea if this is good sign or someone has been throught same ??
gracias