actual the Community has a big set of models and repaints for almost 80% of the world wide models already done for earlier Simulators and is currently in the process of bringing this to the new Sim as well. I do have currently about 100GB of AI traffic (946 Models and 15826 repaints for more then 1000 Airlines) for P3D that will be ported over to MSFS during this year 
Oh yeah and all for free ^^ AIG is currently deveoping the MSFS version of the Tool that will install this traffic for MSFS: AIG AI Manager OCI for MSFS – Development Announcement