There is an update for X11 available here:
http://www.apple.com/support/downloads/x11update2006.html
I don't use anything graphics intensive so I can't tell any difference- but hey it's the latest and greatest.
http://www.apple.com/support/downloads/x11update2006.html
I don't use anything graphics intensive so I can't tell any difference- but hey it's the latest and greatest.