My Level III screen displays all stop orders, indicates iceberg orders, and allows you to chat with market makers. I've found the chat especially useful because if you can get a good relationship with just a few of them, they'll tip you off when a big move is coming.
My Level III screen .......... allows you to chat with market makers. ...........if you can get a good relationship with just a few of them, they'll tip you off when a big move is coming.