I've been lured by the darkside!

So the idea of DW tanking intrigues me, so much so that I worked up my 1h sword skill up witht he two defense oriented tanking swords I had (Slayer of the Lifeless and Blade of the Empty Void). I've seen specs all over as well as math, but some things about it still boggle my mind. What about my gear would I need to change in order to work as an actual DW tank?

The World of Warcraft Armory