Most of this information is from shadowpriest.com • View topic - Best Raiding Gear 3.3 Edition
I am just posting it here to share with everyone. Although some of this info will come directly from me.
Gemming Choices
Red - 23 SP
Yellow if the socket bonus is 2 SP or better - 12 SP 10 HASTE
Blue if the socket bonus is 6 SP or better - 12 SP 10 SPIRIT
Combatratings@80:
1% hit = 26.23 hit rating at level 80.
1% haste = 32.79 haste rating at level 80.
1% crit = 45.91 crit rating at level 80.
The following are the new scaling factors:
This goes by a system called Pseudo Power, How this works is everything has a set number during end game content and they are compared to Spell Power.
So lets say haste is ranked at 1.5 that means 1 haste is equal to the dps gain you will get from 1.5 spell power.
Int = 0.22
Spi = 0.59
SP = 1.00
Hit = 1.88
Crit = 0.76
Haste = 0.98
Spell Hit Caps:
* 263 hit is the cap with 6 points between Shadow Focus and Misery and with a Draenei in your group
* 289 hit is the cap with 6 points between Shadow Focus and Misery
* 315 hit before you can go to 5 points between Shadow Focus and Misery
* 341 hit before you can go to 4 points between Shadow Focus and Misery
* 368 hit before you can go to 3 points between Shadow Focus and Misery
* 394 hit before you can go to 2 points between Shadow Focus and Misery
* 420 hit before you can go to 1 point between Shadow Focus and Misery
* 446 hit before you can go to 0 points between Shadow Focus and Misery
Spell Key - MF = Mind Flay
VT = Vampiric Touch
DP = Devouring Plague
SW:P = Shadow Word: Pain
MS = Mind Sear
MB = Mind Blast
SW = Shadow Weaving
Openers: Depending on your gear the best opener can vary. I personally use Pre pot wild magic-MFx2 VT-DP-SW:P
For someone without tier 10 4 piece i would go with Pre pot wild magic-MF-VT-MB-DP-SW:P
Then from there its just a priority to keep your dots up without clipping them.
You MUST have your stacks of SW up to 5 stacks before applying SW:P or you will lose dps having to reapply it later on.
Glyphs
Glyph of Mind Flay - Obvious. It increases the damage of mind flay when shadow word pain is active on the target. That beind said this combined with the talent pain and suffering it increases mind flay damage by 10% all the time.
Glyph of Shadow - Whenever you crit with a non periodic spell it increases your spell power by 30% of my spirit. For example i have 475 spirit self buffed, This comes out to 142.5 Spell Power.
Glyph Of Dispersion - you should swap this glyph in and out depending on the fight. It adds extra survivability when needed and provides more mana regen than glyph of shadow word pain.
Glyph of Mind Sear - you should swap this glyph in and out with Glyph of Dispersion based on the fight EX: Normal lich king. (I don't use it much anymore)
Addons - ForteXorcist - ForteXorcist - Addons - Curse
What this addon does is it tracks your DoT Spells (Damage Over Time).
A DoT timer addon is almost a required addon for raiding as a shadow priest and this is by far the best (atleast IMO).
This addon also tracks cool downs and internal cool downs such as Dislodged Foreign Object.
This is our best in slot list (Non Draenei) Profiler - Wowhead
If you have a Draenei in the group it is a simple change. Replace Amulet of Silent Eulogy with Blood Queen's Crimson Choker. Replace ring of rapid Ascent with valanars other signet ring.
All of these values are based off of pseudo power as seen above.
Head:
Sanctified Crimson Acolyte Cowl(277) + CSD(meta) + Purified Dreadstone
Tokens / 264 T10+Conqueror's Mark of Sanctification
520.25 = 185+122*0.76+98*0.98+139*0.22+89.01+17.9+9(bonus)
T10-Shadow: 2nd pc +194.0, 4th pc +376.0 = 520.25|617.25|662.75
Neck:
Amulet of the Silent Eulogy(277) + Reckless Ametrine
Icecrown: Gunship Battle / Heroic-25
220.6 (333.4) = 110+68*0.98+78*0.22+21.8+5(bonus)+(60*1.8
Shoulder:
Sanctified Crimson Acolyte Mantle(277) + Reckless Ametrine
Tokens / 264 T10+Conqueror's Mark of Sanctification
348.22 = 150+90*0.76+82*0.98+103*0.22+21.8+5(bonus)
T10-Shadow: 2nd pc +194.0, 4th pc +376.0 = 348.22|445.22|490.72
Back:
Cloak of Burning Dusk(284) + Runed Cardinal Ruby
RubySanctum: Halion / Heroic-25
285.2 = 118+65*0.76+73*0.98+83*0.22+23+5(bonus)
Chest:
Sanctified Crimson Acolyte Raiments(277) + Runed Cardinal Ruby + Reckless Ametrine
Tokens / 264 T10+Conqueror's Mark of Sanctification
475.74 = 195+114*0.76+114*0.98+139*0.22+23+21.8+7(bonus)
T10-Shadow: 2nd pc +194.0, 4th pc +376.0 = 475.74|572.74|618.24
Wrist:
Bracers of Fiery Night(284) + Runed Cardinal Ruby
RubySanctum: Halion / Heroic-25
285.2 = 118+65*0.76+73*0.98+83*0.22+23+5(bonus)
Hands:
Sanctified Crimson Acolyte Handwraps(277) + Runed Cardinal Ruby
Tokens / 264 T10+Conqueror's Mark of Sanctification
264.06 (418.22) = 150+90*0.76+103*0.22+23+(82*1.8
T10-Shadow: 2nd pc +194.0, 4th pc +376.0 = 264.06|361.06|406.56 (418.22|515.22|560.72)
Waist:
Crushing Coldwraith Belt(277) + Purified Dreadstone + Runed Cardinal Ruby
Icecrown: Lord Marrowgar / Heroic-25
355.0 = 140+74*0.76+90*0.98+103*0.22+17.9+23+7(bonus)
Legs:
Plaguebringer's Stained Pants(277) + Runed Cardinal Ruby + Purified Dreadstone + Reckless Ametrine
Icecrown: Festergut / Heroic-25
400.96 (596.4= 185+116*0.98+139*0.22+23+17.9+21.8+9(bonus)+(104*1.8
Feet:
Plague Scientist's Boots(277) + Purified Dreadstone + Runed Cardinal Ruby
Icecrown: Festergut / Heroic-25
355.0 = 140+74*0.76+90*0.98+103*0.22+17.9+23+7(bonus)
Finger:
#01 Ring of Rapid Ascent(277) + Runed Cardinal Ruby
Icecrown: Gunship Battle / Heroic-25
260.64 = 110+68*0.76+60*0.98+78*0.22+23
#02 Ashen Band of Endless Destruction + Reckless Ametrine
Quest / Ashen Verdict Exalted
258.38 (354.26) = 101+64*0.98+73*0.22+21.8+5(bonus)+51.8+(51*1.8
Main-Hand:
Royal Scepter of Terenas II(284) + Runed Cardinal Ruby
Icecrown: The Lich King / Heroic-25
1050.2 = 893+55*0.76+71*0.98+81*0.22+23+5(bonus)
Black magic is the enchant and can be replaced by 63 spell power for a passive boost on more movement oriented fights.
Off-Hand:
Shadow Silk Spindle(277)
Icecrown: Bloodprinces / Heroic-25
254.48 = 119+68*0.76+68*0.98+78*0.22
Wand:
Corpse-Impaling Spike(277) + Reckless Ametrine
Icecrown: Rotface / Heroic-25
152.76 = 58+38*0.76+30*0.98+44*0.22+21.8+5(bonus)
Trinket:
#01 Charred Twilight Scale(284)
This is my math on Charred Twilight Scale Heroic it may not be correct but most likely is.
This is assuming it has a 45 second ICD.
467.32=184*0.98+287
This is assuming it has a 55 second ICD. How i derived this was as most trinkets i have came by have their ICD and then the time they actually proc seems to be exactly 10 seconds after.
415.13=184*0.98+234.81
#02 Dislodged Foreign Object(277)
Icecrown: Rotface / Heroic-25 / Simcraft-Althor
398.6 = 170*0.98+232