It's a great way to demonstrate different squad tactics, such as formations, actions on contact, and reacting to ambush. After the tabletop demonstrations, we moved on to walk-thrus and finally skirmishing.
erik, thats funny... i 'm doing the EXACT same thing for a Patrolling class i'm running up in TOLCOM in mass next sat!.... and i use em too! Army men and a dry erase board!