Check out this site for a handy AppleScript to manage changing between Apple's Software Update Servers and a local Software Update server running on a Mac OS X on your own network.
http://neverblog.net/create-an-applescript-gui-to-set-a-local-software-update-server/
While the above script has served it's purpose, I have had to extend it to work with Snow Leopard:
display dialog "Set Update Server" buttons {"Cancel", "Apple", "Local"} default button 3
if the button returned of the resul...
