So to sum up Weapon Shield operates like so:
Guards against the first weapon carrier hit against your body.
Unless it is Weapon Disarm and then it will ONLY go off if your shield/weapons are hit.
Except in the case of Weapon Shatter it will go off if it hits your body or your weapon/shield?
I think you're overthinking this. A Weapon Shield would still go off first in my prior example - I was trying to address the "what's targetable and does it count as 'resolved'" question.
Weapon Shield will stop the first Weapon qualifier hit against your body
or your possessions, if the attack would affect them.
"10 Normal" against your body? Triggers a Weapon Shield.
"10 Normal" against your body, even if you're immune to it? Tough luck, still triggers a Weapon Shield.
"10 Normal" against your shield? Doesn't trigger a Weapon Shield.
"Shatter" against your body? Triggers a Weapon Shield.
"Disarm" against your body? Triggers a Weapon Shield (still a valid hit, your body is just Immune to Disarm effects).
"Shatter" or "Disarm" against your shield? Triggers a Weapon Shield.
Or to put it a different way, Weapon Shield still does all the stuff Magic Armor does in 1.3, with the addition of protecting your possessions against a Shatter or Disarm.
Note that the above examples are all regarding weapon-delivered Disarm or Shatter attacks. If someone uses, say, a Memory Strike to swing "Spell Disarm Sword!" and hits you in the foot, it still avoids your Weapon Shield and disarms your sword (presuming no spell defenses). Again, pretty similar to how it works in 1.3.
@Draven: If you swing Disarm or Shatter using the skill of the same name, it cannot be called with a declared target. Only when it's delivered via a Spell can a target be declared. See example above.
-Bryan