As nice as the fancy unique weapons are, I honestly like the plain ol' ... Ebony sword.
Tie between:
Dawnbreaker & Mace of Molag Bol for 2nd and 3rd,
Auriel's (sp) Bow for number one.
Weapons? Feh. I need naught but my lyre. Behold the power of music, villains!
Oh, poo. I suppose I have to pick, now don't I?
Auriel is right, Auri-El is also accepted, although it's the bow is spelled "Auriel's" in game.
Blade, or Bow?