If you eliminate the hype, the sales pitches and the peer pressure, you'd be surprised at how good your system can sound. Once you step outside yourself for a moment, you realize that it's all rather ephemeral and like already mentioned, relative.
It's like all addictions in that there's that reward at first listen, and then it fails to maintain the high, and then it's on to the next hit. That's not being a lover of music.
So, what does $50K get you? Sound that you'll enjoy or even fall in love with. The question is, will you allow it to as long as you have it, or tire of it because, reasons.
All the best,
Nonoise