Mac OS X 10.4 is true to the typography but it's way too faded out and it doesn't use sub-pixel rendering sticking only with grey scale edges. Vista seems to strike the right balance of typography ...

"Additionally, after upgrading to Mac OS X 10.4.6, Word 2004 v.11.2.3 and earlier versions may give the message that many fonts are corrupt when trying to open a Word file (which actually do not ...

Mac OS X 10.5.5 exhibits problems with the display of some fonts when rendering PDF files, in which various characters seem to be distorted, causing difficulty reading documents.