I don't know why I waited so long...but I finally did a couple of beer can chickens yesterday on one of my Weber kettles. Man...probably the best chicken I ever cooked.
Details that probably matter the most:
two hour salting (quick dry brine per J. Purvience)
cans half full PREHEATED
four small cherry chunks (more for color than the flavor being superior)
two piles of lit briqs (1/2 a weber chimney on each side, in Weber briq holders)
NO gadgets to put the beer cans in (the racks can make the birds too tall)
Vent temps stayed 350*+ (3 med. lumps layed on each briq pile about 35 min in)
These were two Springer mt. Farms (I think that's the brand, at least) 4.75 lb. chickens, and I cooked one for 1.25 hr, and the other temped 170+ in the thigh ten minutes later. Note for next time, if you use any salt at all in the seasoning after rubbing with a little olive oil, use VERY little. (I forgot this and had to wipe off most of the seasoning before putting on the grill.)
It might be easier to cook four chickens on my wsm, but this chicken was so good, I'll probably be cooking most of mine like this from now on. If I need to cook more than two, I'll be firing up both my OTG and my OTS.
Weber kettles are fantastic, and I need my butt kicked for waiting so long to try the beer butt chicken on one of the best little grills there is. None of my low-n-slow or over-the-coals grilled chicken has ever been this good!