Over at WebMonkey.
The article is here. It’s a little out of date, being from May, 2002, but it compares the features of what he calls “off-site” (Diaryland/Pitas and Blogger), “on-site” (Movable Type, GreyMatter), and “on the hard-drive” (Radio Userland). The last page has a pointer to another list of blogging tools.