I'm just curious, but what (if any) difference is there in charcoal consumption between the L and XL? Also, I would think that temperature control on the XL may be a bit more difficult. I have nothing to base that on, just curious.
Not much that I can tell as far as consumption wise, and the beauty is you just give it a stir, re-light it and you're off to the races again. As far as temp control, each size egg is a little different, but the XL is not hard to zero in after a couple cooks.
The secret with any egg is to not overshoot your target temp. It's much easier to take it up than to take it back down.