3,645 word post, approx. 9-10 min. read Updates: 9/13/19. Removed outdated HD558 and replaced the 80e with the 60e as it’s cheaper and sounds identical. Also replaced LCD-XC with the Aeon Flow Closed. Added images. 9/14/19. Added Table of Contents. << If you enjoy this article, please consider sharing!! It really helps the site get