i'm sure they do, but that doesn't usually lead to lines out the door ;)

but then again, having the option to go elsewhere rather than be stuck behind that person -
i'll have three of those one dollar ones, and...a couple of those green ones over there...five quick picks...and...what's that one with the alligator on it? no no, the one to the right, no, the other one, yeah, let me have one of those and, um...

*shoots self in face*