You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
I ordered my Roadster then bought a P100D to tide me over...my wife's Model X was making me envious...loving my somewhat tricked out P100D (custom wrap and staggered wheels)...btw, bought a "test drive" car for a great deal!