I’ve been trying to decide how to spend my frost emblems. Here’s what I’m buying:
Crimson Acolyte Hood (healing)
Crimson Acolyte Shoulderpads (healing)
Volde’s Cloak of the Night Sky
Ermine Coronation Robes
Gloves of False Gestures
Circle of Ossus
Crimson Acolyte Leggings (healing
Spark of Light -> Purified Lunar Dust

 
For my own reference, here’s what Rawr came up with when optimizing under different conditions.
tank – penance/pw:s/prom/fh, overall, with Ashen Verdict craftables, max thoroughness
Crimson Acolyte Hood (healing)
Crimson Acolyte Shoulderpads (healing)
Ermine Coronation Robes
Gloves of Ambivalence
Lightweave Leggings
Sandals of Consecration
16305.77 -> 17873.88
—
tank – penance/pw:s/prom/gh, overall, with Ashen Verdict craftables, max thoroughness
Crimson Acolyte Cowl (dps)
Crimson Acolyte Mantle (dps)
Meteor Chaser’s Raiment
Gloves of False Gestures
Leggings of Woven Death
Sandals of Consecration
Score: 16277 -> 17904.91
—
raid – pw:s/penance/fh, overall, with Ashen Verdict craftables, max thoroughness
Crimson Acolyte Hood (healing)
Crimson Acolyte Shoulderpads (healing)
keep current T9 chest
keep current T9 gloves
Lightweave Leggings
Sandals of Consecration
Score: 24465.8 -> 26152.38
——
tank – penance/pw:s/prom/fh, overall, without Ashen Verdict craftables, max thoroughness
Crimson Acolyte Hood (healing)
Crimson Acolyte Mantle (dps)
Ermine Coronation Robes
Gloves of False Gestures
Crimson Acolyte Leggings (healing)
keep current shoes
—
tank – penance/pw:s/prom/gh, overall, without Ashen Verdict craftables, max thoroughness
Crimson Acolyte Cowl (dps)
Crimson Acolyte Mantle (dps)
Meteor Chaser’s Raiment
Gloves of False Gestures
Crimson Acolyte Leggings (healing)
keep current shoes
—
raid – pw:s/penance/fh, overall, without Ashen Verdict craftables, max thoroughness
Crimson Acolyte Hood (healing)
Crimson Acolyte Shoulderpads (healing)
Ermine Coronation Robes
keep current T9 gloves
keep current T9 pants
Keep current shoes
Score: 24465.8 -> 25467.19