Well I was thinking of trying two 9-10 pounders on my weber kettle but chickened out. I'll wait until my WSM gets here. Here are a few of my cook so far today.
Sorry for the delay. Here are some pics from the cook yesterday. I used the snake method, stacked two wide and two high. It went almost all the way around the grill. It lasted almost 8 hours before I had to add more coals. I used cherry wood for this cook. Here are my pics: