Microsoft SharePoint 2007 - Changing service accounts and service account passwords in SharePoint

I was trying to change passwords for my VPC and I stumbled across these very nice articles.

This Microsoft KB talks about changing the service account/service account password for WSSv3 and MOSS2007:
http://support.microsoft.com/kb/934838

Joel Oleson's article talks about some additional tips including updating Search Service credentials:
http://blogs.msdn.com/joelo/archive/2006/08/22/712945.aspx