Apple has released the Mac OS X 10.6.5 and is now available to download. You could download Mac OS X 10.6.5 Snow Leopard now which is coming up with lots of improvements and fixes. Many problems with the earlier versions of Snow Leopard has been cleared with this 10.6.5 update. The Mac OS X 10.6.5 Snow Leopard change log is as follows :

Download Mac OS X 10.6.5

Improves reliability with Microsoft Exchange servers.
Addresses performance of some image-processing operations in iPhoto and Aperture.
Addresses stability and performance of graphics applications and games.
Resolves a delay between print jobs.
Addresses a printing issue for some HP printers connected to an AirPort Extreme.
Resolves an issue when dragging contacts from Address Book to iCal.
Addresses an issue in which dragging an item from a stack causes the Dock to not automatically hide.
Resolves an issue in which Wikipedia information may not display correctly in Dictionary.
Improves performance of MainStage on certain Macs.
Resolves spacing issues with OpenType fonts.
Improves reliability with some Bluetooth braille displays.
Resolves a VoiceOver issue when browsing some websites with Safari 5.

You could get more information of the Mac OS X 10.6.5 update from here.

Download Mac OS X 10.6.5 Snow Leopard from here.