Nate-
I think you're referring to Joe Mendola in Tucson.
I believe he goes by "DeadZone Truckin" on this site. On the 67-72chevytrucks.com website he goes by "MotherTrucker"
I've bought a lot of parts over the years from him without issue. My sense of him is he doesn't put up with any nonsense, he's extremely knowledgeable and his prices are fair.
To get to Joe's parts stash in the back yard you have to walk through the his garage, which is full of visors for the AD trucks.
Phil