If I recall reading this thread correctly, two PBC owners noted that longer hanging meats like ribs and brisket get too well done on the side hanging closest to the fire, yet earlier on two others noted that it cooks evenly top to bottom even if only a few inches away from the heat source..
Lonestar 24" Vertical offset w/ Insulated Firebox & Performer Platinum
Former owner: Jambo Backyard, Klose BYC, Med. Spicewine, Pitts & Spitts, XL & (2) Med. BGE's, 22" WSM & (2) 18" WSM's, 18" & 22" Weber Kettles