Or, if you like what you currently have, be happy with it.
I've got a range of Sansui gear from early cap-coupled (AU-777, 5000X) to mid-70's (9090, AU-9900). They all sound good. There are subtle differences, and each may sound a little different from another, but I'm hard pressed to say one is a "better" sound than another. Actually, I really have not heard a Sansui I haven't liked. Can't say the same about other brands I've tried. I've thought about selling something, but I just can't decide which one that would be.

I compare it to different genres of music. I like several, and would not be happy with just one, though I could probably live with it if I really had to choose.
Now, if you want something
really different, try Sansui quadraphonic sound. THAT will be a different experience.