Shows the reg keys and data values associated with policies
http://gpsearch.azurewebsites.net
Group Policy Survival Guide
http://social.technet.microsoft.com/wiki/contents/articles/4715.group-policy-survival-guide.aspx
Common (annoying) Polices
DisableRegistryTools
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
https://gpsearch.azurewebsites.net/#4756
Also see
