I haven't had any of the aforementioned problems with the update. I updated my PowerBook and iMac last night, and nothing added or taken from the dock, PowerPoint works just fine, my preferences are intact. Looks like a decent update so far. Chris Owens Cincinnati, Ohio (513) 861-3104 home (513) 807-3104 mobile office ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "Friendship: A soul dwelling in two bodies." ~Aristotle~