The Xbox 360 slim makes for a great Windows Media Center extender… except it comes with a very low-end built-in wireless adapter that is not suitable for streaming HD content (only one antenna, in the 2.4 GHz band which is typically restricted to 20 MHz-wide channels).
https://www.amazon.com/Xbox-360-Wireless-Network-Adapter-N/dp/B008K24BKU

