I third that motion on the top vent. As far as moving the center section, I do it on every long cook. I get about 10-12 hours on the 18.5" and the door on that model is about as useless as teets on a boar. Usually on an overnight, I wake up to dwindling coals. So I light half a chimney while I drink my coffee. Once it's lit, I lift the center section/ lid/ everything else, fill the coal ring and dump my chimney on top. Don't even miss a beat. However, I Am a Moron, and half the time I'm in shorts and flip flops. Don't Do That!! that said, handles would be nice but I'm lazy. As far as the water pan goes I'll have to try just foiling it sometime. I have mine pretty dialed in to the point that pan full runs 225, empty runs 325 and no pan about 400.