I agree. My titan in full KF raid gear looks bad with the Ascendant Plane or Beltane, but equip either new IB helms, arms and chest with Peregrine Grieves and it looks amazing with just about any shader available. I find that a larger variety of hunter armour seems to benefit the most shaders out there though. The hunters just seem to have much more armour that can be matched to more shaders than any other class. It does come down to personal taste, but you are correct in saying some armour just doesn't do a lot of shaders justice, especially the warlock raid gear!