[KingsGambit]

Hi all, am hoping someone might have some ideas on this idea I have for what I think might make a great hack, especially to boards where there might be "group" type accounts.
What I am thinking of is a single forum that takes the name of the logged in user but is visible to say 10 different people. For example if I log in it would be "KingsGambit Forum" or whatever the user's username is. All people of usergroupid=x can see the forum but it's their name on it, and the *only* posts they see in the forum and from the front page are those made under their login.
This way say a group of a few people who share the login can have their own private forum, but without the admin having to create one forum for each group and changing individual access masks too. Each group would see only their posts but obviously mods/admins would see all of them.
I think it would be a great idea....a dynamic forum that takes the user's name and only displays their posts, means everyone in that usergroup could have their own forum. Possible?