In order of most to least:

1. Watch Netflix
2. Watch Amazon
3. Watch Youtube
4. Listen to music via uPNP
5. Play PSN games
6. Play disc-based games

So…I doubt I’ll be getting a PS4 or any next gen system. I could get by with a Roku (or Google or Amazon or whoever streaming stick) and a laptop to stream my Steam games (if I want to play them on the big screen).