Join a Mac to a Domain

There are some good discussions about doing this and working through the issues on the following sites:
http://community.spiceworks.com/topic/361908-joining-a-mac-to-a-domain-user-profile-migration
http://www.macenterprise.org/articles/migratingalocalusertoanetworkuser

I'm not sure at this point where to find something on the actual domain-joining procedure.

Windows Update Error Codes

Microsoft keep a list of Windows Update error codes here:
http://support.microsoft.com/kb/938205/en-nz