They said they want to keep machine requirements "the same [as Shogun 2]".
I read realease was prolly "late 2013" so its more like a year and a few months.
true.dat
I guess you arent forced to form big provinces, in that case you can just leave the regions as they are and not unify them to provinces at all.
I dont think so, cause CA always aimed at a balance between realism and fun, also you may change history by "picking the loadout of individual units of troops"(source).