Brennan and I took that class with Ed 2 years ago (I think?). I loved every second of it... Sending a shot and hearing that ring 6-7 seconds later is amazing!
The main thing I learned is that any idiot can pull the trigger....Your spotter reading the wind is the one with the skill LOL
Dan Newberry is a good guy with an excellent understanding of rifles. His work with the OCW method has saved us all a lot of component waste and headscratching.