Mainhand/offhand v 2H help

[Soffic 1]

need a little help to figure out what is my better option.  I picked this up from a garrison invasion 

 

http://www.wowhead.com/item=115423

 

I currently have this mainhand/offhand combo

 

http://us.battle.net/wow/en/character/barthilas/Soffic/simple

 

I am really finding it hard to figure out what is the better option, any help would be greatly appreciated.

 

 

[Berlinia 168]

What spec are you playing? :P
Kind of relevant

If same as armory then I would remain with what you have because of the MS.