Just my 2¢ here, but unless you've got a commercial fridge in your garage - it's not going to cut it for cool down. Residential fridges do not have the cooling capacity needed to properly down the temp in the necessary time - especially not 30 - 40#.
Cha Cha Hut BBQ : 43311 Route 28 (corner of Route 28 & County Road 38: Arkville, NY : [URL="http://chachahut.com"]chachahut.com[/URL]
Backwoods Pro Jr.
busted Backwoods Fatboy
Weber 22.5 Kettle
some stainless wood fired thing