Apple's got some new/updated 10.5 troubleshooting docs - "OS X 10.5: Keychain cannot be found message after upgrade install" (includes several tips depending on if you already selected to reset keychain), "iCal, OS X 10.5: Empty "Home" and "Work" calendars may appear after installing Leopard", ".Mac Sync: Conflict Resolver states that seemingly-identical contacts have conflicts after Mac OS X 10.5 upgrade" and "OS X 10.4 or later: Changing the default user name for AFP connections". Here's a reader mail from someone bitten by the (lack of) user admin priviliges with his fix after he couldn't apply the Login and Keychain Update for Leopard... (see post for details)

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