The mitigation of the Kyle Bayle's set is going to stink against T8 mobs, so I think you are giving up way too much on the Mit front, despite the +parry.
I think there are some pretty decent quest items (jewelry) with enough +parry, +defense on them to off-set any loss.
Although not +parry, these 2 (as examples) add some defense.
Veeshan's feast quest reward
Seb drop.
Needless to say, there are a couple of awesome fabled drops that would be nice in this slot.