PC on some items

Could I please get a PC on these items:

1) Sundering Shadow Bow of Shelter (req 10)
15% while health above 50%
20% armor penetration (20% chance)
Armor +7 (vs physical damage)
Not inscribable

2) Crippling Shadow Bow of Marksmanship (req 9)
15^50
Lengthen cripple duration 33%
Marksmanship +1 (20%)
Not inscribable

3) Vampiric Tatooed Scimatar of Swordsmanship (req 9)
3/-1 vampiric mod
Swordsmanship +1 (19%)
Don't Think Twice Inscription
Inscribable

Thanks!

anyone know if i should bother keeping any of these?

Either perfect mod the q9 Shadow bow and keep it or try to sell it as is for 10kish

Alot of people like to make Tattooed Scimis into Caster weapons and that its insc. and q9 is a plus sell it as is for 15k