Apple is no longer restricting Mac OS X betas to paying developers. Anyone with an Apple ID (which is, let’s face it, essentially every Apple user at this point) can now sign up for the OS X Beta Seed Program to test unreleased versions of the operating system. You have to agree to Apple’s OS X Beta Seed and Confidentiality Agreement and install the Beta Access Utility to view betas in the Mac App Store. After WWDC, we’ll see if this applies to major releases of OS X, or just minor updates.follow link
View Extra Sync Details in Snow Leopard
In Snow Leopard, Option-click the Sync icon in the menu bar to display a menu showing each available sync service and when it was last synced. Other new items in that menu include commands to Reset Sync Services entirely and to open the iSync and Sync Diagnostics utilities.
Apple Opens Mac OS X Betas to All