Looking at it from an economic standpoint.
A person who has invested $150K in his system will have a resale value of about $75K after 5 years. Cost of ownership $15K per year.
A person who has invested $50K in his system will have a resale value of about $25K after 5 years. Cost of ownership $5K per year.
A person who has invested $20K in his system will have a resale value of about $10K after 5 years. Cost of ownership $2K per year.
A person who has invested $10K in his system will have a resale value of about $5K after 5 years. Cost of ownership $1K per year.
You get the idea, pick your poison.
Does a music lover receive $13K more pleasure per year for the extra cost of their $150K system than the owner of a $20K system? Each person decides this.
The constant in all of this, music is music.