Here are two blogs to think about, both of which have randomly provided links to me via the Blogger bar. That's the thing you see at the top of my webpage, as well as any other Blogger/blogspot.com page.
Worst blog ever? Well, probably top five at least, right here.
On the other side of the blog quality spectrum is this one. Not much on current events, but can you get more quality than a Roman poet from the first century AD?