I have talked to Doug once, He seems to be a great guy and very willing to share his knowledge with newbies, which I am. He was out of stock when I finally had the "she money" (money she don't know about) saved up so mine came from back east. I will be getting a ST-5 from a fellow in Hillsboro, Ks. He is working with Joel and is very close to Wichita. You might contact him at rgroves@flinthillsdiesel.com His name is Russell. Good luck, got my 6-1 last week and it is way cool. Ken