This update which is recommended for all users running OS X 10.6.8 resolves issues with:
Users who have not already download OS X 10.6.8 will just receive an updated version of 10.6.8. If you have your update size is just around 10.5MB.
- Transferring personal data, settings and compatible applications from a Mac running Mac OS Snow Leopard to a new Mac running Mac OS X Lion.
- Certain network printers that pause print jobs immediately and fail to complete.
- System audio that stops working when using HDMI or optical audio out.
Detailed information on this update can be found here.