That post is among your great SMF works, Bear! I should bookmark it when I stop being lazy.
Here is the one you guys are looking for:
http://www.smokingmeatforums.com/t/235820/masterbuilt-smokers-bear-s-thoughts-findings
Bear
I don't follow the Model numbers, but I do know my MES 40 Gen #1 model number ends with "11".
Bear