welll searched the mod list up and down and found nothing which is like u want.
ive found some staff mods but they have mostly modded tori´s so u cant spar with them good.
i would rate u to go and take a look in the mod forum, may someone there can make u a mod with some bostaffs. i dont think that its so hard to make one.
simply put 2 objects which look like a staff in a 1000 ed distance, either on the ground or in the air. and there u got it.
would do it if i could make mods, so im sorry