I have to say that I love the service... I figured out how to use it and how to get it set up and before I even started publishing people started subscribing!! Very cool.
We have been utilizing Ezine Director, with great success.
For your information, I have switched from Microsoft BCentral to your company because of your prices are almost 2/3rds cheaper that them. Keep your prices low and I'll be a customer for a long time. The fact that mailings can be scheduled ahead of time is also great.