New here, but not to multiboxing. Here are my D3 setups :)

[Shodokan]

Not all of them... most seasonal items are complete shit (except zodiac ring and the DH quiver)

You can view the full list of seasonal items for Season 3 here :
http://us.battle.net/d3/en/forum/topic/16780417929#3

Skull grasp was on the list at one point. But still zodiac is a huge one, though a lot of builds do not use it.