Upgrade from B&K Ref 50

I'm looking at upgrading from my B&K Ref 50. So far I've been pulling toward Rotel RSP-1572 and would like input from the knowledgeable crew here on A-Gon. Currently I have actually stepped down to a 5.2 system, however, I'll most likely be going back to 7.2 in the near future. The main application or use for this is playing movies via 4k player or gaming/streaming via PS4.