I've used it to play around with VOR's etc. but can't see much scope beyond that.
Strange how a few other people have tried spinning.... I can't get it to work, don't suppose it ever will compare to the real thing.
However, you can do strange things with the helicopters if you try. Basically get a bit of height, then start throwing the stick about. I ended up with it stuck in what I could only describe as having the helicopter tied onto the end of a 2 mile long rope and the person holding the other end was spinning me around. Even on closed throttle it continued.