Announcement Tool with in Desktop Central

Announcement Tool with in Desktop Central

I would like a way to choose groups from AD for sending notifications to. Right now all I have ability to send to is Remote Office, entire Domain, User Custom Group, or single user. We are wanting to use this to announce updates to a Sharepoint Newsletter from IT, and want to take advantage of groups already established in AD and not have to create the Custom group in Desktop Central to maintain as well.