By way of final follow up, the pork was a huge success. We had about 50 total people there between youth and leaders. At least 1/3 of them went back for seconds (I was the server,and the first serving was plenty generous). Several people went back for a third helping, and a few even went for a fourth. That's the best kind of compliment you can get. And since I've learned 95% of what I know about Q from this board, the compliments should flow back here.
There was nothing left over. Nothing. Not bad, considering I started with roughly 25 lbs of pork. After removing the bone and fat loss during cooking, I'd guess we had somewhere between 18 and 20 lbs of meat served. That results in roughly 1/3 lb+ per person. That's a compliment I can live with.
Jeff's sauce was a huge hit as well. I had Sweet Baby Ray's sweet sauce, and Stubb's Hickory BBQ sauce as options, in addition to Jeff's. People overwhelmingly chose Jeff's. Part of that might have been the fact that I had a couple of the young men come over and help me make the sauce. So they were bragging up that they made the sauce to everyone that put sauce on their pork. I think that the novelty of eating a sauce that their friends "made" helped steer a lot of people to the sauce in the old yogurt container instead of the commercially bottled one.
So it was a smash hit. Thanks again to everyone here for how much this board has contributed to my knowledge of the art of the Q.