I think this is an excellent way to acquire paying customers AND will give many potential users the option to see if they can build a decent subscribership without having to front the $250 or more that would be needed for ListBuilder.
I have found Ezine Director to be one of those tools that increases productivity a lot.
I did my first mailer with you guys last week, and It was one of the most succesful ones we've had in a long while. As a result best weekend we've had all year! Thanks!