http://www.intel.com/content/www/us/en/compute-stick/intel-compute-stick.html
This could be great as a low cost retroarch machine or just to stream pc games from your main PC

The Intel® Compute Stick is a new generation compute-on-a-stick device thats ready-to-go out-ofthe-box and offers the performance, quality, and value you expect from Intel. Pre-installed with Windows 8.1* or Linux, get a complete experience on an ultra-small, power-efficient device that is just four inches long, yet packs the power and reliability of a quad-core Intel® Atom processor, with built-in wireless connectivity, on-board storage, and a micro SD card slot for additional storage. Its everything you love about your desktop computer in a device that fits in the palm of your hand.
This could be great as a low cost retroarch machine or just to stream pc games from your main PC