Okay but that's where you're "thinking wrong", sure the heading certainly is a factor of whether or not your email is opened, but if they assume you're not providing quality content, why would they open more of your emails? There's certain ezines I read, certain one's I skim through and ofcourse certain one's I just hit delete and the reason is, because if you're not teaching me something or not getting me excited about it, then why I am going to read it or better yet why am I going to keep reading it? I don't really focus on lists, because an ezine is going to give you the opportunity to get to know your readers and them the opportunity of getting to know you ... thus creating a trust factor, thus creating more opportunity to generate more sales. When it all boils down to it are you going to buy something from some random stranger on a list or from someone you have a bit of knowledge about?