Last month, Ron from Beacon Hill commented that he prefers Roy's BBQ to the nearby Jones BBQ. This spurred us to get off our ass and finally check Roy's out. The verdict: hot damn, that's a good sandwich. That's the biggest difference between Roy's and a place like Jones: Roy's is all about sandwiches--pulled pork, beef brisket, pulled chicken, even the oyster po' boy. As usual, specialization pays off. The Georgia Gold (a favorite......