Tremors 3: Back to Perfection delivers acceptable amusement for those who follow the franchise. Michael Gross reprises his role as Burt, who goes back to Perfection only to discover it’s become a tourist destination populated by Graboid enthusiasts. A shady land deal also emerges, putting the residents at risk. Predictably, the Graboids and their altered young don't concern themselves with that sort of thing. If y…