I know when I went from a cheap Sony 100wpc amp to a more expensive Pioneer Elite 110wpc, there was a night and day difference.
Night and day in what part of the world? Northern Alaska in the winter?
Apparently, it was nowhere. Amazing how a big difference is heard by someone, but it can't be true unless everyone else hears it. Kinda like falling trees can't make a noise unless someone was there to hear it.