very excellent service, only flaw i saw is they should really distance the express line and the walk in line. because ppl coming in that are express are suppose to get priority when they get to the front of the line, walk in customers and express customers get confused when a cashier calls the next person in line because the walk-in and express order are looking at each other confusingly, and the express order doesn't want to look like hes cutting the walk-in customer. its either fix the line and separate them, or make a separate register for express orders, especially when its busy.