this trajectory ends here:
http://www.biggreenegg.com/
It's a cult, don't ask me how I know. But it's been many years since the neighbors pissed themselves, laughing at me as I extinguished the holiday turkey on the weber. CO2, didn't spoil the flavor a bit. Drippings in the water pan caught fire, then the bird.
Now I use a slow smoky fire, fire bricks under the pan, fresh rosemary from outside the door.
If you're really interested, check out the primo grill - why not be obsessed with something as important as food?