The best simulators are free! Here's my choice:
http://n.ethz.ch/student/mmoeller/fms/index_e.html
I have used it all Winter, and it is a great training aid. About the only problem is what interface to get. I have posted on the
Joystick-Interface Forum two simple and cheap solutions. There are plenty of models available, and you can even finds instructions for designing your own. I use the Ultra Stick 40 as my trainer.
Ciao,
Eagle Al