Rather than necroing the old, old thread, let's start a new one! What do you like?
First, two that I read not just for the comics, but for the creators:
The Devil's Panties: Semi-autobiographical journal type comic by Jennie Breeden. I really like the comic, but what I really love is Jennie herself. She's a great role model when it comes to creating a webcomic. And she is unfailingly nice and friendly whenever I've seen her at Gencon. thedevilspanties.com/
Something Positive: I've read it for YEARS. My first webcomic. Randy is also very nice. I first met him at Penguicon a few years ago, and just from my shirt, he knew the comic and remembered stuff about it (we had advertised on his site a year or few prior.) Now if I see him at Gencon, he remembers me, and does sketches of our characters. I have Mack and Val and will get Isauro the time I go. www.somethingpositive.net/