For those of you with Vista workstations or testing Windows server 2008 due to be released officially next month in March (the bits are now available on Technet Plus as is SP1 for Vista) Microsoft has released a tool called GPO Accelerator that creates all the Group Policy objects (GPOs) that you need to deploy recommended security settings for your environment to save you hours of work that you would otherwise need to configure these settings. This Solution Accelerator includes guidance to assist you with this tool.
Get it at:
There is also a 2008 Server Security guide now available in Technet at:
This one is definitely worth checking out!