You used the word "budget" so obviously its not a free for all buffet.
1/4 lb pork, 2 ribs, portion of chicken and a piece of sausage with sides will more than feed your group.
2 #10 cans of beans done up Keri C. style will easily feed 50.
Pitmaster @ Lockharts BBQ
I cook the best brisket north of Dallas. Get over it.
Northern midwest director for OBR