I had a system similar to yours and upgraded to 7200s. Single best thing I've ever done to my system. I too was challenged by screen (and WAF).

I learned from my father to fix the weakest link first; start with speakers. You won't be disappointed.

John

1: 808.6 Anniversary, 504, Sony ES Bluray player, Apple TV, Trinnov Altitude 32, 7200SEU l/r/c, plus for immersive audio
2: Theta Compli Blu, Apple TV, HD621, G61RSL, B&W Sig 8NT l/r/c, & Runco Plasma
3: 861v8, 504, Apple TV for streaming 3100 l/r/c
roon all around