1st--Lag removed from the server(s)
2nd-- Multiplayer, when a player decides their game isn't going the way they intended. Then decide to be a bad sportsman about and just close their screen out to quit, and leaving us sit their for minutes on end until we can get back on with the game.
An option for the player who just closes their screen to quit and not Forfeit, a window should appear to that particular individual "Are you sure you want to quit, and the option to Forfeit or Continue" and not being to close that screen until an option is picked. Not allowing that player to enter into another game until either option is chose.