Deciding which iPhone to get? This 3D visualizer can help.

If you've been toying with the idea of ordering the new iPhone XS or XS Max (or XR!) it can feel like making a decision in the dark. 
Sure, there are plenty of online reviews and photo galleries to browse through before the phones ship Friday (and the XR in a month), but unless you're a tech reporter who got a hands-on with the new devices, you have no real idea what these phones are like. And if you need a new phone, or if you think you might want one ASAP, walking into a store isn't an op