Number one on D Magazine's Best of DFW BBQ list. Quite a target for the Texas BBQ Posse. We peaked early and pulled in the parking lot at 10:30am. They opened at 11am, so we gravitated toward the smoker for some BBQ 101. We were greeted by pitmaster and owner Eddie Brown and peppered him with questions as he loaded racks of ribs into the smoker. Our BBQ posse was 21-strong when we ordered at Off the Bone, which is housed in an old Dairy Queen. The service was pretty good, around 10-15 minutes between ordering and eating. This was…