Intel-edison-560 - "a full Pentium-class PC" that's the size and shape of the SD card you might otherwise put in your camera. It's powered by a dual-core Quark SOC, runs Linux, and has built-in Wi-Fi and Bluetooth connectivity..... just waiting to hear about power consumption & cost
Intel® Edison w/ Mini Breakout Board: The Intel® Edison is a compact computing platform that’s small by design so you can easily integrate it into projects. It’s primarily designed for “Internet of Things” projects and is pretty powerful for its small size. The Edison has a bunch of features that makes it appealing for makers of all skill levels.