Things that “blow your mind”

$90,000+ power cables. Absolutely no rational way to explain the value in that. I don't care what materials or engineering gobliddy gook is used as an excuse, there is no way a cable can cost as much as a new Porsch or Mercedes.

@llg98ljk Yet, here we are. 

...there is no way a cable can cost as much as a new Porsch or Mercedes.

How much difference a good preamp can make in a system.

How bad Audio businesses are at marketing and setting up a nice website that pulls you in and your $ out.  Decware should be a case study for small business success.  They have the best  complete website around and their success proves it. C’mon guys!

+1 for Thecarpathian. I can't avoid his posts, especially if I need a chuckle. As to mindblowing for me, I'm amazed that I can buy NOS tubes from the 1940's and then be amazed at how good they sound.