to me P3D and v5+ although a bit resource hungry, it is fantastic and can be customized beautifully, but... oh boy! I've got MSFS and despite being unusable for me as we speak (my hardware can't cope) and it still has a long way to go before it's potential is unleashed (DX12 and many many more bits and bobs) it is simply fantastic, incredible. In a couple of years or so, it will be the ONE. I've seen simulators since FS 1998 and never seen a step further as this.