German Trenchcoats mixed in on winter uniform maps.
More bood/white mixed in for brain/bone.
Zombie mods! Killing Orchestra: Heroes of the Floor
Swastikas. (No, not for dirtbag reasons. If re-enactors can have em...)
New fronts spanning WW2, with the appropriate new guns.
Russian Cloaked snipers (they look cool in CoH:2)
New game modes!
Rising Storm armies on Stalingrad maps (just for haw haws, but the I.E.D nades on Grain would be cool as hell)
If the map involves the right fighting units, German Camo smocks.
New Vehicles