I have both Avalon Eidolon Vision and Evolution speakers in my system. There is NO comparison between the two. They are in two way different classes - Eidolon is extreme audiophile class (US$25,000 a pair), Evolution is high-end audio (US$2,000 a pair). To compare Evolution to Eidolon is really an insult to the Eidolon -- sort of tantamount to comparing Bose speakers to high-end audio. Eidolon Vision really sounds like music heaven (if there was one...:-) Hope that help!