I hope it works out. I've read many good recommedations on line by folks who have had her do multiple guns, but I've never had her do any work. I'm sure there are other good checkerers out there, but I like her sort of down home, here's how I do it, approach. She even has advice for learning to do it yourself.
Remember, there's no perfect checkering if you look closely enough, just some that is much better than others.