i think there are far too many planes that would actually have an impact on the game that need to be added first. the PBY would be nothing but a name on a list. what could it do that you cant do now? land in the water? lol who cares?? before a PBY i'd like to see some IJA fighters, some more russian birds, some italian planes, a few german bombers/attack aircraft *cough* 111, 210 *cough*. the PBY offers nothing that you cant already do 50 MPH faster (except land in the water, which really has no significant impact on anything outside a few peoples fascination with float planes.) -1 for now. maybe in the future when the run out of USEFUL aircraft to add 
I've always loved the PBY, while unorthodox I've always thought it was just a beautiful plane and I would absolutely love to see it in game. PBY's served in large numbers and while performance isn't particularly good, they did load 'em up with 4K in bombs (I think that's the number... going from memory) and sent them off on some of the first raids on Rabaul. That being said I have to agree with Irish here, there are many more planes that are missing from the list. Planes that are critical for special events and would see at least some MA use like the Ki-43, the Beaufighter, He-111, and the RAF could use another bomber, the VVS have no early war planes, etc.
