Originally Posted by
Thunda_Cat_SMASH
VIT melds have already proven themselves effective during FCoB early progression to cheese gear checks and mechanics. While I don't personally use them, with the amount of raid wide unavoidable AoE going out in even the normal mode raids, an extra 800 HP could be the dealmaker between giving a healer time to heal you, and being forced to res with weakness, especially if the healers fall behind for whatever reason.
Case in point: If it prevents a death, it's still an indirect dps gain. Being dead is the biggest dps loss in the game, even if you ignore the 15% weakness.