That's good feedback. My thoughts were mainly along 3 lines:

1) With the demo on the homepage, you immediately get a good idea of the usefulness of the tool.

2) I'm not really interested in a freemium model where I support a large base of non-paying users.

3) I'm trying to see if this is worth working on, and the number of people who are willing to pay is a good indicator of that.

I'm interested in your thoughts on the benefits/downsides of this approach.