If the only music you are interested in is heavily compressed butchered stuff that looks like a tube of sound, lacking any definition or range---very expensive gear is pointless.
I laugh when I read reviews where people talk about tonality, cold vs warm, soundstage, depth, sibilance, smoothness, transparency, etc, then when you look at the music they used, 90% of it was heavily distorted and messed up long before it ever entered their systems.
Many/most of anyone who is active here, likely already has at least some "high end" gear.
This means you can appreciate good recordings.
Pretty much any classical CD you buy will be virtually free from compression or any "loudness" effects.
If you want good recordings but are not interested in classical, head over to
Chesky Records. Everything they produce is "pure".