CNN has published an article about Civilization V after visiting Firaxis office in Maryland. It contains some general info about the different aspects of the game, but doesn't have much new info.
You can check out the full article here.
One interesting piece of new info is on how the game music are recorded:
Many of the pieces in the game were recorded by the Czech National Symphony Orchestra in Prague, capital of the Czech Republic. In addition to traditional instruments, hundreds of unique ethnic percussion, string, wind and reed instruments were used to achieve each culture's musical feel.
Origineel Artikel: http://forums.civfanatics.com/showthread.php?t=370272&goto=newpost