Snow Leopard 10.6.2 is now available via Software Update

Before you install this or any other software update, be sure to read our Software Update/Upgrade Warning Page which can be found here.
Here’s the text from the Apple Software Update window:
The 10.6.2 Update is recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes for:
An issue that might cause your system to logout unexpectedly
A graphics distortion in Safari Top Sites
Spotlight search results not showing Exchange contacts
A problem that prevented authenticating as an administrative user
Issues when using NTFS and WebDAV file servers
The reliability of menu extras
An issue with the 4-finger swipe gesture
An issue that causes Mail to quit unexpectedly when setting up an Exchange server
Address Book becoming unresponsive when editing
A problem adding images to contacts in Address Book
An issue that prevented opening files downloaded from the Internet
Safari plug-in reliability
General reliability improvements for iWork, iLife, Aperture, Final Cut Studio, MobileMe, and iDisk
An issue that caused data to be deleted when using a guest account.

For detailed information on this update, please visit this website: http://support.apple.com/kb/HT3874.
For information on the security content of this update, please visit: http://support.apple.com/kb/HT1222.