I would suggest the Plate. That big hunk of steel acts as a big thermal mass and helps to regulate the cooker temp and temp from side to side.
(Brewmaster and Pitmaster)
BBQ Team: Lawn Guyland Smokers
Brewery: Black Dog Brewery
"Sam I Am": XL Big Green Egg
"R2 and D2": Twin 22" Weber Smokey Mountains
Custom Made Automated Souped Up Sabco