Modern Tales
The reason for the little plus signs beside some comics listed here. A collective of webtoonists who've made a compromise in the conflict between those who support free webcomics and those who support webcomics that get some profit. The deal is this: paying subscribers can read the entire archives of the comics featured, while the rest of us can see the current strip only. I myself can't afford to become a subscriber right now (two words: new apartment), but I support the idea behind it. There are several sister sites out there, but this one was the first.

http://pvponline.com/rants_success1.php3
A 3 part article by PVP's Scott Kurtz about the ups and downs of running a web comic that's economically viable. A great article that explains some of my reasons for not really "getting serious" with my own comic.

Scott McCloud.com
The web site of the author of "Reinventing Comics" - even if you don't agree with his views on web comics, this site is a must-read.

Sequential Tart
A monthly web-zine by female comic readers for female comic readers. Great source for news, reviews, what have you.