Apple has just released Snow Leopard 10.6.7. It is more of a security update, as well as a patch for the Back to my Mac feature for most machines. It also comes with an update to Apple Mail to version 4.5, which was unannounced. However for the latest Macbook Pros released earlier this year, this helps to address some of the graphics issue you may have been having. For more information, go to the following link.
I’m still working on the videos. I apologize for not keeping my promise about new videos from a few weeks ago, but things came up that I didn’t plan on. As soon as I can, I will update. Thanks for being patient.