When I do butts in advance, I go ahead and bust them up into half pans. They start to cool down immediately and then I can fridge them overnight or freeze. Reheating already busted up meat is a breeze.
Mark - part of Cat Sass BBQ Team. Community Development VP - Secret Squirrel Society (but we don't exist)
Member: Mid Atlantic BBQ Association. Member: KCBS. CBJ # 31818
"Life's too short to drink cheap beer or eat crotchpot BBQ"
NB Bandera - refurbished; Two Big Green Eggs: Poncho - Large, and Lefty - Small; Weber Kettles; 6' fire pit; Super fast Blue Thermapen