Outlook 2010 has a feature called "Room Finder", which you can use to schedule rooms when you setup an invitation.
This feature is handled in a seperate panel, which appears as soon as you add a recipient to an invitation.
See this screenshot for further information: http://blogs.technet.com/themes/exch...RoomFinder.jpg
Is there any chance that the Zimbra ressource "Room" can be made compatible with this? We have configured a few, but so far none of them is available as room, only as ressource which you can add to the recipients list.