I think the apps (iPlayer/4oD aside) are on par with any other TV OS. I think the potential is what has me interested. You try sideloading anything?
Not as of yet. Apparently sideloading the iplayer and BBC media app doesn't work (streams dont play)
Also afaik sideloading is harder on TVs. You can't just stick an APK on a thumbstick and load it up you have to ftp into the TV. Which is pretty convoluted.
Potential wise its brilliant though and I think it's a great OS.
One thing I just noticed you can't FF/RW in the Google play music app. From what I understand before the recent patch there were a crazy amount of bugs judging by Amazon reviews. I haven't noticed any.