Better financial reports let you manage your treasury more easily.
Gold Edition adds new military unit properties and gives you the ability to rename units, preset rally points and set way-points for more tactical movement.
Different victory conditions available: Nation, Alliance, or Ideological (Democracy, Communism, Fascism, or Authoritarianism) You can also go for a domination victory and set the percentage of land you need to control to win the game.
Players control trade, aid, industrial development, infrastructure investments, and a deep field of research. In addition to managing the military, players must build, supply and grow a modern industrial base in order to field forces capable of victory.