Another free application from Microsoft that ranges from good-to-great depending on your monitor is the CLEARTYPE TUNER. It basically tweaks the way Windows displays text on an LCD monitor.
It does not hinder, or noticably improve, displaying through a projector – and depending on your monitor it may or may not make a noticeable difference (on my 1900×1200 WXGA monitor it made a very noticeable effect, on a 1440×900 monitor it gave no noticeable difference).
Click here to go to download page
– Troy @ TLC