Hopefully I'll score another 18.5" WSM, 2008 model for $120 (or less...) My question is that model had a smaller water pan I think. What was the going "mod" to change that out, or a good place to purchase that item? It was a waterpan or something for another smoker, but I cant remember which one. Thanks in advance. I'm going to take this one to my parents house so I can BBQ for them when I'm visiting.