Uniques are random. Fauztinville does drop more jewelry so its good for farming if you can farm there. Otherwise you can roll jewelry to unique with the 2x crystal + oil of enhancement recipe, but its random and sacred uniques can't be rolled this way.
There's no cap for defence, but barb can reach incredibly high amounts if you are ready to spend the whole life for farming Shaad (+30% ED) or Xis (+50% ED) runes for socketing them into your gear.
Stealthmaster wrote:There's no cap for defence, but barb can reach incredibly high amounts if you are ready to spend the whole life for farming Shaad (+30% ED) or Xis (+50% ED) runes for socketing them into your gear.