New tech trees?

[brokensword]

Is there going to be some cool new future tech trees in the expasion?

I hate being limited to only modern age.

[statusperfect]

I don't think so... but in the gencon Sid Meier interview he said something about new techs.

I think we got the diplomacy just about right the first time, but we've added new graphics, units, and technologies for the new Civs.

[Deathwalker]

Are they going to let us add new Eras or is that hard coded