Stolen from
http://www.civfanatics.com/civ4/info/civilizations/.
Aggressive
*Free Combat I promotion of melee and gunpowder units.
*Double production speed of Barracks and Drydock.
Creative
*+2

per city.
*Double production speed of Theater and Colosseum.
Expansive
*+2

per city.
*Double production speed of Granary and Harbor.
Financial
*+1

on plots with 2 commerce.
*Double production speed of Bank.
Industrious
*Wonder production increased 50 percent.
*Double production speed of Forge.
Organized
*Civic upkeep reduced 50 percent.
*Double production speed of Lighthouse and Courthouse.
Philosophical
*

birth rate increased 100 percent.
*Double production speed of University.
Spiritual
*No anarchy.
*Double production speed of the Temple.
Spiritual and organized seem like a more of a "nice to have, but not necessary" type of civics.
Expansive's +2

would be good to have, but only in certain situations.
Industrious is only for us if we're building beaucoup of wonders.
The above list of civics is on my "meh" list. This leaves aggressive, creative, financial, and philosophical, with creative and philosophical on the bottom of my final civics list.
Aggressive might be necessary. There's talk of a fourteenth site entering, creating two games of seven. Military will become a must, and aggressive's free promotion will be vital. Financial let's us pump out the

, allowing us to maintain a high

rate.
Thus, how does the
Inca sound? The Quechua is a 2

replacement of the warrior, plus it gets a 100% boost against archers. This unit will ensure safety for the early early game.