I was unsure of buying the Moto X at $579.99 but after the recent price drop to $399.99, it can compete with the Nexus 5 at $349.99 (16 GB Version).
The official Motorola blog says : “We heard from people that they wanted more control in how their phones looked, so we introduced the Moto Maker customization tool and made it available on all major carriers. That enabled our customers to choose from hundreds of color combinations and, for the first time, real bamboo backs. We heard that battery life was a major pain point, so we engineered Moto X to go all day long. And we heard that having the most current software was really important to our owners, so we made sure that Moto X was the first smartphone to upgrade to Android 4.4 KitKat.”
Finally Motorola has a good phone out at a fair price.