Just be a bit wary of that Yorkshire simulator. They are careful to say that it is "based on" a 737, but that is quite different to it being a 737 simulator. Last time I saw it, it was a home-made cockpit on an old 3 DOF motion base... although it might have all the panels, most of the switches and controls didn't actually do anything, and I would be very surprised if the flight model they are using is anything like a 737... It might have been improved since then, but it is definitely not a 737 simulator in the proper sense of the words.