There's being able to tell the difference, and then there's enjoying the music. The sound at most gigs is a million miles from perfect, but the enjoyment factor is way higher. Maybe you're approaching things from the wrong direction? I'm glad I got off that treadmill. Still it's your money I guess.
Maybe it’s a bit like hi-fi? I was heavily into hifi for ages and spent a fortune keep upgrading. The. I realised that when I was really into the music I enjoyed it just a much on my old kitchen radio, so flogged my hifi fo a deposit on a house. A football match doesn’t get any more exciting...