With a quad core processor, 2Gb of Ram and 32 Gb of flash storage - not to mention USB, WiFi and Bluetooth - Intel's PC on a stick turns any HDTV into a windows 8.1 (or Linux) computer.
Check it out: http://gadgetshow.channel5.com/news/intels-compute-stick-pocket-sized-pc or http://www.cnet.com/uk/products/intel-compute-stick/