Gas grills, Cuban boxes, Green Eggs; they all are substitutes for the real thing.
To get the real in depth BBQ flavor you need a smoker with an offset fire box. You need to cook real slow with real wood to get the real BBQ flavor. Anything other than that and you are missing the boat. You may turn out decent food with these other gadgets but it is not the real thing. I have been telling you that for years.
The stereotype for you yankee boys is that you are hard headed and stubborn. Just listen to Uncle Gator for a change and you thank me for it later. You know that I am always right.