I'm not quite sure what time of day other reviewers have been to this restaurant but this place is hoppin' at lunch time. They seem to have their 'assembly line' down to a fine art and can move people through quite quickly. And I must say, you really can't beat the $5 footlong deal either. A great place to pick up a quick cheap lunch.
Oh, and I just found their chipotle southwestern sauce... a must have for all future subs! :)