Originally Posted by
Phosphori
Epic PVP gear will be better than almost all heroic blues, and even a great deal of 359 epics. Keep in mind that even though resilience is useless, so is haste, and the pvp gear almost always has enough extra agi, stam, and armor to compensate. So with this in mind, pvp pieces with mastery or crit would be definitely be better than any 359 with haste, and equal to or better than pieces with expertise or hit.
I'd recommend using some kind of sim to weigh it out, but off hand, rawr values the pvp pieces very highly.