" I don't want anyone to think that it is a joke, the damn thing works. "
Until they successfully address the noise issue it's a non-starter. The noise level is loud enough to actually make it a safety issue for techs, an aggravation for customers and office staff and a major complaint for neighbors. It's a dead horse until they fix the noise level.
"As far as your average bodyman learning it, it ain't going to happen anymore than any other PDR method. PDR and regular body repair are two different things, I worked for a while and still try with the PDR and it is a whole different animal. I am not saying you can't do it, but it takes a lot of practice. Time that I just don't have."
New construction methods and materials make it almost mandatory to learn PDR methods, they're too damn handy to ignore. Find the time and practice, it's well worth it.