How good can it get, really? - my stereo sounds amazing!

Mahgister ... you must be on Tidal

I am in Heaven where all music is with me and Tidal is a good approximation.... :)

If it sounds good leave it alone , eventually you will come across a track that reveals something that could use a tweak. It takes time . You are obviously happy thus far which is likely due to the fact you may not actually be in depth listening. Never mind the cables and junk yet . Just listen and listen some more , try and hear  what room treatments where used in the recording studio. Understand the instruments and the likely placement of the mics and how many were likely used. Your source material may not allow for this. Music sourced  from your phone will sound like 2D whereas an mqa file will most definitely sound 3D . If you can at least hear that difference start with an a/b comparison to get used to the intricacies . After your system is fully evolved you will hear things that the recording studio may not have. Youll know once you come back here and start talking about Porsches and 30,000 dollar dacs you have reached the end. Just be happy and listen.  

@paulgardner ....

Leave well enough alone....until something gets under your skin about it.

Stop reading everyone else's neurosis' about 'this' and 'that'....or what they feel is an obvious shortfall of a system in a space they've never been to, nor listened to....nor will ever, most likely.

No, scratch that.  They Never Will.  'Your brain is still The Boss.'
Until you cede such, and allow the herd to stampede you...

Dig It...until you don't. *L*

(Personally, I found Super Chicken to fall short...Invader Zim was more my....style....*L* ;)...)

https://en.wikipedia.org/wiki/Invader_Zim

Enter The Florpus, @geoffkait 

It won't hurt....much....*evil laughter, fades to the crunch of...waffles?!*)

asvjerry - I agree, the Super Chicken cartoons are pretty lame but the intro just cracks me up "buc buc buc buc!". Give me Firesign Theater and my favorite condiment...