oh man this looks wonderful. I've always wanted a firefox extension or something like this for when I am reading horribly formatted things in sans serif fonts that span like the width of the entire browser. yes!
works awesome with the guardian website and my blog!
I've been using readability to read the awfully-laid out washington post articles in this series: http://projects.washingtonpost.com/top-secret … inc/print/
I use it regularly too, it's fairly simple but a good idea and well worked out.
I use it too. I like how you don't even need a plugin