Firefox on OS X is awful
Gawd, its handling of italics sucks. I can’t even read Wikipedia without being distracted by the ugly italics that run onto adjacent words.
Jeffrey Zeldman has noticed it, but his screenshots aren’t illustrative enough…
Update[2008-04-29]: The situation in Firefox 3 has improved. For a while, italics were *gone* entirely (Bug 364713), but now it’s been fixed, and everything looks good. Firefox 3 is so much better than 2 in every way!