I was shocked when i saw the points value for the Ironfist and additional hand weapon. Ironfist is no longer as versatile but is under half as many points from previous codex.
So i was talking to the guys at my local GW and instantly asked which one would go for, and to my surprise he said additional hand weapon. So yeah im thinking to have a unit of 4 Ogres with additional hand weapons and musician, i would buff them with Bullgorger to make them deal more damage with each hit, and deploy them long and skinny 4 by 1.
I would also get a unit of 6 armed with Ironfists they would fight with standard and musician and would (hopefully) hold their their ground and take little damge as i would buff them with Toothcraker and Trollguts. These bad boys would be deployed 3 by 2, traditional formation.