Facebook has 'War Rooms' for teams who are shipping a large release soon. They are smaller rooms that can fit 12-18 people. Most of the time they have separate

Facebook has 'War Rooms' for teams who are shipping a large release soon. They are smaller rooms that can fit 12-18 people. Most of the time they have separate desks but sometimes teams just commandeer a conference room. This sounds a bit like your idea, though a few more people.