Safari 3.1 Released
— ♣On Tuesday, Apple released version 3.1 of Safari, its web browsing solution for Mac and Windows. Some VoiceOver users have reported better performance when navigating web sites with VoiceOver and Safari, although no specific mention of accessibility improvements have yet been reported by Apple or users. The update does provide many fixes and enhancements, and improved performance overall may account for the speedier navigation being reported.
You can download the latest version of Safari by choosing "Software Update" from the Apple menu.