Brisket, ribs & sausage at CorkScrew BBQ in Sprint. (Photo ©Chris Wilkins/Texas BBQ Posse) The food is excellent at CorkScrew BBQ, a trailer joint located behind a shopping center in Spring: "This could be a Top 10 joint," said friend of the Posse Bryan Norton, who joined us on this stop in our 35-hour, 610-mile barbecue tour of the Houston area. "I can't stop eating," said Posse member Phil Lamb as he picked from a selection of fatty brisket, pork ribs, turkey, sausage, pulled pork and chopped brisket. Later he said he would have liked more smoke flavor on the brisket and…