Got one – love it, youtube, iplayer & netflix all support it & you can cast direct from your browser, you can also get apps such as bubble for your android phone that allow you to cast digital files to it, via DLNA.
Use it more than watching regular tv.
The only thing it struggles with is if I’m watching something on vimeo or the red bull tv coverage of the downhill in chrome, make it full screen & cast it via the browser, it eventually gets laggy & blames my network speed. Not being geeky enough I’m unsure if the problem is my laptop, the chromecast or the router.