Yeah sims are used extensively both in the RAF, and out here in the desert. They are invaluable tools without question. The big thing to remember is...
The DOD seems to believe that simulator training is vital in success. Just a quick drive around one base that comes to mind and every other building...
I can see how one of those can enhance the training experience especially if you mount it in a centrifuge or something. But, and this is from someone...