I would also like a Group Hierachy as I'm dealing with 80 different sites, and then 5 different office locations.
This would make my life even easier if I could create a group and then move selected sub-groups into parent groups.
Not to be greedy or anything but, a move function to move different managed groups would also be great. Click and drag from one group to another group. Instead of manually adding all items in a specific group.
Rick