The WWE Network is available now on Playstation 3, Playstation 4, XBox 360, Roku, and this morning there was an update on IOS devices so you can airplay from your iphone to your TV on your apple TV. Keep in mind that the first week will be free. If you do not cancel within the first week then you will be billed $9.99 a month for six months. The WWE Network starts out with 1500 hours of programming but they will be adding more programming soon.
You can get started with the WWE Network by clicking here.