Sony custom setup vs Sonos vs Q990c? Please help!

So I just bought this custom system? I don’t know what else to call it when you get a receiver and tower speakers etc.

I got 2 Sony SSCS3’s https://a.co/d/hty5FXq

I got 1 Sony SSCS8 https://a.co/d/fMbOXog

And I got this Sony STRDH590 https://a.co/d/iI2qxM0

Mainly curious if I want an incredible experience at a great price how does this compare to the Q990c or Sonos setups? Or what is generally considered the best bang for the buck for very crisp high quality sounds and beautiful bass that doesn’t overwhelm the dialogue?

I love the setup currently but while I’m in the return window I figured I’d check Reddit and see if there is better optimization to be done since I’ll have this setup for years to come. I just want high quality audio. Or did I do well?