If you’re going to get a screen that small for gaming definitely go with a monitor, the response time will give you an advantage on console games. What are you playing games on? For sound you won’t have to spend much to be on par with current tv speakers. 

I can get a return if my friends now pay for the popcorn.......

I think what 4k haters need to understand what the writer is trying to get across is that you should get a 4k tv if you’re in the market for a new television.