i would like to see a perk which allows the character to use the two handed weapon as one handed weapon, like the good old diablo 2.
then those tree trunk used by orcs with single hand will turn into a great weapon for our low level brothers
and, i also think it would be super nice if there was a perk, that allows the polearm characters to hold a buckler in their off hand, with certain melee skill debuff of course.