Dude they made history they made an revolutionary product they made VFR/IFR flights 1000% more safe you got everything there that you need compare this to the pass and you are going to see the big jump that they made. Expensive? yeah maybe. But is worth every penny. And don't forget that this is not a simple GPS like the GNS530 this is a flight deck with with connections for radios, transponder, engines, maintenance. ALL basically