Below is a comparison of two pens. The Pigma Micron that I had been using and my shiny new Waterford Marquis. It's moderately unfair as the Micron puts down a very fine line and the Waterford is a medium nib. But when I use a medium point on ballpoints or felt tips I'm utterly illegible.
"If there is any principle of the Constitution that more imperatively calls for attachment than any other it is the principle of free thought, not free thought for those who agree with us but freedom for the thought that we hate."
Oliver Wendell Holmes