Trust me for DDing only thing /nin has on thf is being able to live longer in tight spots but most times you can manage without shadows and the 10% double attack makes up for the loss of dual wield with are DW2 native trait as long as you keep up zerk as much as you can.

you this speadsheet and you can see the defference on higher defmobs from the scars-heros zones and some NM's in vision
https://docs.google.com/leaf?id=0B0A...N2VkYWZk&hl=en

and here some pics of what i can do with /war and its a big deffernce. note i play on 360 atm
http://s1238.photobucket.com/albums/ff494/smush2/