Other video games, TV shows, movies, general chit-chat...this is an all-purpose off-topic board where you can talk about anything that doesn't have its own dedicated section.
Those two games are totally different. Civ IV is more about economy and city-management, and rome: tw is a strategic battle game. It depends on your preferences.
Personally, I liked Civ IV a lot better.
Confucius say: "Man go to bed with itchy butt wake up with smelly finger."