Apolyton.net has an on-going audio interview series with Stardock's Brad Wardell with regards to the design philosophy and state of Galactic Civilizations II. A lot of common questions are answered directly.
Here is the series so far:
For the latest info on the game and some of the ideas behind the design, check them out!
And be sure to check out Apolyton.net itself for the latest in Civ-gaming news and community.