Would like input on how to develop the perfect PHP/HTML editor

Hi, My name is Paul Katz, the primary developer at paksoft-productions.com. We've been working on the next version of our XHTML editor, Hypertext Builder. While our current version contains a list of PHP functions that link directly to the reference materials on php.net, we are looking to offer our users a more complete tool for PHP development. Currently our prototype has popup list functionality for PHP functions (a list is generated as the function is typed in). We are interested in adding more authoring functionality, and would greatly value your input. We would like to send you our prototype to play around with. Any development ideas you come up with would be extremely useful. I'm also exploring various ways of making the next version of Hypertext Builder free. As I'm now using PHP in some of my own projects, it seems only fair I give something back. As you all have experience with managing free software, I was wondering if you have any advice on this (such as acquiring funds for server space, gaining publicity, corporate sponsorships). Any help would be greatly appreciated. Thanks, Paul Katz paksoft-productions.com