It seems that Mac has released what is going to be the last update to OS X 10.6. The 10.6.8 update is actually in preparation for the Lion upgrade and is essentially an add on to Snow leopard. Now if you have registered your Mac you will be eligible for the Lion upgrade at a significant discount, $29.99. There are some decent changes and they are listed below.

• Enhancements to the Mac App Store to get your Mac ready to upgrade to Mac OS X Lion.
• Resolves an issue that may cause Preview to unexpectedly quit.
• Improves support for IPv6.
• Improves VPN reliability.
• Identifies and removes known variants of MacDefender malware.
• Corrects timezone data in iCal for Lisbon-Portugal.
• Adds the ability to use Kerberos authentication to a web proxy server.
• Fixes an issue when saving documents from Xcode or TextEdit when using an NFS home directory.
• Fixes an issue when importing certain media files into Final Cut Pro.
• Includes RAW image compatibility for additional digital cameras.