Our perfect 10 brisket from Snow's BBQ in Lexington. (Photo by Tom Fox/DMN) During our recent Best of Texas BBQ Tour, we traveled nearly 700 miles over three days and tasted brisket, pork ribs and sausage at 10 top places in the state. Each meat was scored on a scale of 1 to 10 (best) by 6 members of Texas BBQ Posse. Just one received a perfect score: the brisket at Snow's BBQ in Lexington. "The taste almost explodes in your mouth," said Posse co-founder Chris Wilkins as he savored a bite. In 2008, Texas Monthly crowned Snow's, which is…