PC on a couple of gold bows

Hi, i need some pc for this :

-Ivory Bow
Piercing dmg 14-28 (req 8)
Dmg +14% life while in a stance

-Vampiric short bow
Piercing dmg 15-28 (req 8)
Dmg +18% life < 50
Life stealing 4/1

-Vampiric Composite Bow of enchanting
Piercing dmg 15-28 (req 9)
Dmg +18% life < 50
Life stealing 4/1
Enchant last 17% longer

-Fiery Half moon of shelter
Fire dmg 15-28 (req 12)
Dmg +15% life > 50
armor +6 (vs physical)

-Poisoner's Composite Bow of enchanting
Piercing dmg 15-28 (req 11)
Dmg +14% life while in a stance
Lengthens poison duration
Enchant last 15% longer

-Shocking Longbow of defense
Lightning dmg 15-28 (req 13)
Dmg +14% life while in a stance
Armor +5

-Sundering Flatbow of enchanting
Piercing dmg 15-28 (req 10)
Dmg +14% while enchanted
Armor penetration +10% (8% chance)
Enchant last 18% longer

vampbows salvage
half moon not sure cuz of high req but good mods tho
poisoners 10k
shocking longbow has really high req....
sundering flatbow 20k+

get 2nd opinions tho cuz im not really that good at pricing myself

Thx

Any idea for ivory bow?