Although there are already a wide variety of smartphones available on the Android platform, the Nexus One marks Google's first push into the hardware market. The N1 diverges from other smartphones by adding an AMOLED display, 1GHz Snapdragon CPU and the latest Android 2.1 operating system. The search giant touts the device as the first 'superphone,' but our Nexus One review takes a closer look at how it stacks up against the iPhone and other Android offerings.