If you're ever in McKinney, or if you already live near it. Fast forward this video to 1:40 for directions to "Baker's" it's a BAD ASS burger place, best burgers ever. The beginning of the video just shows you how to get to the gun store they built next to the college and police department.
[video=youtube;92jlKS4CoBs]http://www.youtube.com/watch?v=92jlKS4CoBs[/video]