Aaron unboxes the Samsung ATIV S Neo, Sprint's second Windows Phone 8 device.  Packing a 1.4 GHz dual-core Snapdragon 400 CPU, the ATIV S Neo offers a 4.8-inch 720p HD display, 8-megapixel camera with 720p HD recording, 1 GB of RAM, 16 GB of internal storage, 4G LTE, and a 2,000 mAh battery.  It brings Samsung's design language (and a mid to high-end Windows Phone) to Sprint's product lineup, and it brings some unique features like ATIV Beam and camera enhancements.  With two unique Windows Phone 8 smartphones, can Sprint help in promoting Microsoft's mobile operating system?