May I ask what exactly you want to achieve with the new system?
Bass-Midrange-Highs, Genres of music, music only or home cinema as well, ...
Consider further that almost all presentations are mixed in different ways so your combination and capabilities of gear+room+furnitures to solve this issue so that you can be in your listening chair and enjoy for hours as I do.
How much listening experiance you have?
Greatings from Germany