Let me preface this reply with I am a total novice ... er ... NOVICE.
I just got the 737NGX about two weeks ago, very impressed. Lots of reading to do.
I wonder if a freeware option is worth considering, the price is right.
Perhaps the Project Tupelov 154B??
http://www.protu-154.net/index_e.html
Seems to have a involved procedure for starting from cold and dark at least, and the russian callouts are different...