Actually, in some adhoc tests, it's control over character spacing is pretty bad. Firefox 3 has the best control--you can tweak character spacing at the sub-p

Actually, in some adhoc tests, it's control over character spacing is pretty bad. Firefox 3 has the best control--you can tweak character spacing at the sub-pixel level, but not for Safari or IE. Firefox also has very good default character spacing, whereas IE and Safari's was a little bit off of what it should be.