Well if you like Civilization games from the past you will love Civ 4.
First off you can lan game which is a #1 point for me in any Multiplayer game.
The graphics have been done well from close up to the global view.
Lots of changes in this game still can have full control but is also easier for a newbie to Civilization.
Easier City Management such as youur cities rioting havent had many problems with it. Always hated that in the old Civ games.
Many more changes that your gonna have to checkout for yourself.