So you want to use your Raspberry Pi 3 or Pi 2 to watch movies and TV shows? The Raspberry Pi Media Center Kit has you covered. It comes with everything you need to build your own media center using this platform. You get a class 10 SD card, a Raspberry Pi 3 computer, 1 x WiFi module, and a keyboard to get started. Just bring your own monitor, and you are ready to go.
You will be able to play music, TV content, and everything between on your media center. Costs under $115 at this time.