This is a good program for very cheap price.
One of the best features is that if you get jammed up, the guy that wrote the program, Jim Ristow, answers the phone and will straighten you right out.
Check it out RSI Shooting Lab.
I'm in NO way, shape or form connected to RSI and although I've spoken to him a few times, I wouldn't know Jim Ristow if I bumped into him!!!!!!!!!!!!
Just an FYI