PC on gold shadow blades

Got 2 swords.
My questions are if these blades are worth anything alone? or would it be worth it to add mods to these...if so which ones. thanks in advance

#1
Zealous Shadow Blade of Warding
15-22 damage req. 9
Damage +15%
Energy - 5
Energy on hit: 1
Energy Regen: -1
Armor +5 (vs. element)

#2 (is this sword worth modding?)
Shadow blade
15-22 damage req. 8
Damage +20% under 50% Health

Frenzied Blade

http://www.guildwarsguru.com/forum/s....php?t=3063024

Mod them if you plan to use, not if you plan to sell.