Another preview is out, from Worthplaying this time. It mainly provides known info, but this part looked new:
It also includes 7 pictures, including a few from the cut-scenes.
Even better, when you click on a unit, it will respond in the language of your selected region, so it would be cool to know Mandarin if you choose to be Chairman Mao as the leader of your Chinese civilization. This feature really validates the concept of the game in the development of world history, as multiculturalism and the many languages of Earth are often overlooked in games targeted at North America. Who knows, maybe by the time Civ IV is released, it will also include a little tutorial to teach you what each unit is saying and how to say it.
It also includes 7 pictures, including a few from the cut-scenes.