Matt, I'll have to confer with my dad and get back to you on that. Rob, I think several things conspired to stop my dad from developing Z products further. First, bad business with the person who owned In Service Miniatures, which also affected RLW. Second, his wife (my step mom) passed away in 1996. Thirdly, he lost focus and motivation. He had been doing train repairs for people, in HO and N, on and off up until about ten years ago. He was mostly just collecting up until about ten years ago as well. Going through his stuff really gives me an appreciation for his skills and knowledge. Unfortunately our timing in the train hobby was off. It might have been a fun experience working on trains with him. Scott