Hi Tino, and welcome in our Cavern !!!
Well, we could say that there is any "FSDreamTeam quality Label" for any Canadian scenery, of course... New York has put the quality level very high, everyone on the others forum agree about this, so...
But you should look on BluePrint Simulations for canadian sceneries :
http://www.blueprintsimulations.com/BluePrint_Products.htmFor the moment, you can only find CYUL, but I know that they're progressing about CYYZ.
CYYZ has another free scenery, you may find it on avsim, and it's AES compatible...
See you