Oh yeah I would like to see this as well....who doesnt?
However AFAIK again...we cannot "mod" the existing buildings, and we cannot add new type of buildings at all.
It would be good to see some answers from Kristoffer anyways, because Im not 100% sure, just lets say 90%.
"Training is principally an act of faith. The athlete must believe in its efficacy: he must believe that through training he will become fitter and stronger, that by constant repetition of the same movements he will become more skillful."