You seem to be on the way to be spendng a lot of money only to learn that you didn't really have to spend all that much.
Some day, you will learn that some reviews are to be taken with a grain of salt, preferably several, on the edge of a glass filled with tequila.
I don't care what that guy said. Changing binding posts won't affect the sound.
There's a lot of mental masturbation going on here in this hobby, and for pretty much the same reason as it goes on in the real world. It doesn't make a difference, doesn't hurt anyone, and it feels good to do it. The big difference in audio is that some like to brag about how good accomplishing nothing feels and try to get others to join in.
That guy is most likely bordering on legally blind by now.