Another interesting observation is the area where the soft-keys are displayed. Unlike previous full screen set-ups where the soft-keys were displayed amongst a black background, it looks like that is now transparent. It does contrast against the opaque background along the notification bar at the top however.
Based on the Verizon road map that was leaked to us yesterday, the Moto X will launch on August 23rd. It is expected that those who order the device will be able to choose a number of customization options to personalize the outward appearance of the hardware.
source: Android Central