Nice butt, Bruno
As far as the WSM capacity, you'd be amazed at what you can fit in there. I've cooked 8 slabs of ribs (four on each grate, using a rib rack, and you may be able to do more if you roll them. Also, there are pictures on the virtual weber bullet site of 6-8lb butts in a WSM. The guy made a teepee out of three butts leaning on each other on each shelf.
"Ron Rico, Boss. You can call me Captain Ron..."
The Naked Fatty!
FEC-100/BWS Party/Memphis Pro SS/PBC/LBGE X 2/SBGE/Mini BGE/Nomad Pellet-matic/Good-One Model 42/WSM X 2/Cookshack Smokette 008/Weber Performer/Saber Cast 500/Weber Gasser (RIP)/Weber Kettle X 2/Weber Smokey Joe/WGA/UDS/Coffee Roasting Gasser and a pickle
Remembering a friend