The shapes on old green-screen monitors were also significantly softer, which I believe helped readability as well. Small, sharp green text on a black background is just killer on the eyes.
OS X defaults to much softer font rendering than most systems, and Windows/Linux can be tweaked (try googling for things like "OS X style font" or "soft font rendering" with the name of your OS tacked on)
OS X defaults to much softer font rendering than most systems, and Windows/Linux can be tweaked (try googling for things like "OS X style font" or "soft font rendering" with the name of your OS tacked on)