I have been a busy bee trying to compile a list of webcomics for/by/about ladies. The emphasis is on comics written by women with decent characterizations of women, lesbians, gays, bisexuals and/or transgendered men and women. You can get to it here or by clicking on the link in the menu bar at the top of the home page.
The list is currently a bit lean so if anyone has any suggestions please leave a link to the first page of the comic in the comments section and, if you have time, give us some idea of why you like it. Feel free to promote your own webcomics here too.
I look forward to seeing your suggestions.