I'm listing this under blogging, because MySpace doesn't have a heading of online comics. 
I found some of the BEST online comics out there. I like these two for different reasons, including artwork, and storyline.
Here is a "modern" one I like.....
http://tmi-comic.com/index.php?strip_id=1 It starts off with some real-life pictures of the creator, and then jumps into the comic.
And here is a fantasy-based one, that I sadly can't find a banner for:
http://jaadrih.comicgenesis.com/d/20060505.html Once again, go to the very start so you can understand what's going on.
Enjoy!