Just a heads up for anyone interested. After applying Office XP SP-3 at work (I get to be the test bed) and at home I ran into problems with the Outlook object security stuff. You know, 'a program is trying to access your address book...'. This is with WebEx Outlook integration scheduling add-in at work and IHateSpam at home. Both vendors say they are working on it. So, be careful to test any Outlook add-in before widespread distribution of this service pack.