Always a fan of the Apple Store and still surprised that other retailers have not tried to emulate the smoothness of a visit here. Where are the cash registers? Well, there are none. See anyone walking around in an Apple shirt and they will check you out on the spot (or help you with whatever you are looking for). Better yet, use the Apple Store app on the iPhone to check yourself out if you are buying something off the shelf.
The location is wonderful and the shops at Forum are a breath of sanity amongst the chaos that has come to define Las Vegas.