For hunter PVP set, seems like Gladiator set is > FIeld marshal set in terms of critical strike, resilience and armor IF all of the socket have +attack in it. Else field marshal set still rocks except lesser armor .
I currently have field marshal 6 piece set.
Gladiator set
Agility: 137
Armor: 3194
Intellect: 54
Stamina: 212
2 pieces: +35 Resilience.
4 pieces: Reduces the cooldown of your Concussive Shot by 1 sec.
Increases the damage done by your Multi-Shot by 4%.
att:
20+24+32+34+16=126
cs:
16+12+18+16+9=99
hit
res
18+17+17+28+17
red socket : 4 * 20att = 80att
yello :2 * 10 att and 5 cs = 20att and 10 cs
meta :1 *24att=24 att
Field marshal
2 pieces: +20 Stamina.
3 pieces: Reduces the cooldown of your Concussive Shot by 1 sec.
6 pieces: +20 Agility.
Agility: 119
Armor: 2796
Intellect: 59
Stamina: 144
Equip: Increases the damage done by your Multi-Shot by 4%.
att:
44+44+34+34+28+44=228
cs
14+14+14+14=56
hit
10+10