Can the PRO please assist this newbie here.
Thank you in advance
Mac OS X 10.6 is Mac OS X Snow Leopard, and it's not available as a download. You have to buy it from the Apple Online Store > http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard
After buying Snow Leopard, make a backup of your data. If the upgrade fails, you will lose everything, so you should make a backup. After making the backup, just insert the Snow Leopard DVD and upgrade Mac OS X.
OS X 10.6.3 will be installed, so open > Software Update to install OS X 10.6.8