I like Famous Dave's Rib Rub and Grill Mates Applewood Rub. They are both very good in a pinch and I can get them both at Kroger.
18.5 WSM (x2) - "Porky" and "Miss Piggy"
Char-Griller Outlaw w/SFB - "Boss Hog"
Aussie Charcoal Grill - "Piglet"
Cheapie Tabletop Charcoal Grill - "Fire Starter"
Former KCBS CBJ