Cyclone,maybe not 100% correct but close to reality:
F/O infos:
1)monthly flight time....70....hours/Duty time....130...hours
(you are paid for the flight time (schedule block time)not the duty time.
Unstable roster&expect a lot of change&days off cancelled and postponed without asking you or advising you before:But this is something normal in Qatar Airways, as there is no consideration for crew and their private live.
2)layover..3..4.../month(most of them around 24 hours layover).
320's layovers: Calicut,Chennai,Trivandrum,Kathmandu,Colombo,Dar es salam, Nairobi,Seychelles, Berlin,Stockolm,Vienna, (Geneva from january?),Maldives.
3)As an F/O you will be entitled to a 2 or 3 bedroom flat-No sharing.
You can move out(and take the house allowance) if you want but in that case you will not be allowed to come back into the company accomodation
4) transfer...2...3 years.(but rules keep changing).
5) yes they do have 320 sim in Doha.You might do the full course here.