None of these subligars appear to be paticularly useful. They're really only seem meant to be collected for the quest which gives a JSE body piece. DRKs reward is Gloom Breastplate which gives Souleater enhancement, and stacks nicely w/ the Sable Cuisses. Be glad Sables aren't part of this quest. Would you really want to be stuck using a Sable Subligar? (As all the pieces collected for this quest are subligars) :P And if it makes you feel any better, that same NM drops some JSE legs for me as well.