LOL. I like to accumulate wood too. My neighbors (about 200 yards away) huge roof blew into my yard during Katrina and I salvaged the wood from it. He still doesn't have a roof. He thought I was a little strange for saving the wood though.
My wife keeps wanting me to get rid of some of my "lumber yard." We lost all of our Dade Co pine trees (some fully mature) during Andrew. A few weeks into the aftermath, a guy is in the neighborhood with a portable saw mill, so I had him mill out one or two of the largest trees. I still have a waist high stack of very large heavy planks in the carport that I didn't use yet :-)
What kind of wood did you get from the guy's roof? Some roofs have some pretty good stuff in them ;-)