> Plus, what ships with MAC and Windows is good enough for most people who do want some kind of thick client. Airmail and Spark, among others, would like to ha

> Plus, what ships with MAC and Windows is good enough for most people who do want some kind of thick client. Airmail and Spark, among others, would like to have a word with you. Airmail in particular started out as a Mac client before being ported to iOS. There exists quite a market for good email clients, I would think.