How to prevent install Sharepoint using Group Policy

Many organizations would like to have the ability to control who can install SharePoint. For instance they might not want end-users to install SharePoint even if they are a local computer administrator. In SharePoint Foundation 2010 this ability to block SharePoint install will be possible via Active Directory group policy.
HKLM\Software\Policies\Microsoft\Shared Tools\Web Server Extensions\14.0\ SharePoint\

To block installation, set DWORD DisableInstall=00000001