I'll go ahead and list what I've found so far. Primal unless noted otherwise.
4 Health Regeneration
Helm of Torment (affliction)
5.0 Light Radius
Hood of Alacrity
60 Critical Strike
Gauntlets of Regrowth
5 Armor Regeneration
Gloves of Swiping
5.0 Armor Steal
10 Health Regeneration
Gauntlets of Vigor
180 Critical Strike
Harness of Torment (affliction)
Your Primary Affliction abilities gain an increased 50% critical strike damage.
3.0 Armor Steal
Using a Physical Dash ability gives you a temporary shield equal to 5% of your maximum Health.
Decreases the Energy costs of your Secondary (Right-Click) abilities by 10%.
Increases your Armor by 20%.
Tunic of Swiping
3.0 Armor Steal
Increases your Life Steal by 8.
6 Health Regeneration
Increases your Health by 10%.
Robe of the Spirits
75 Critical Strike
Increases your Critical Strike by 50. (as far as I was able to tell this doesn't seem to work)
150 Critical Strike
Scoring a critical strike restores 5 energy.
Robe of Mass Force
The cool down of your Area of Effect abilities are reduced by 10%.
Your Offense is increased by 10% while using damage over time abilities.
Using a Heroic Movement ability removes 2 seconds off any active cooldowns every 4 seconds.
Ring of Virulence (affliction)
Your abilities gain 20 Offense when you wear an Affliction chest.
Ring of Shielding
Scoring a critical strike grants you a temporary shield equal to 5% of your maximum Armor.
Earrings of Infusion
Incoming Armor Heals apply temporary shields of 2.5% of your Health. Stacks up to 4 times.
Ring of Crushing Might
Attacks cause your target to bleed, dealing (Offense x 0.06) additional damage every 0.5 second over a 1.5 period. Can be triggered once every 3 seconds.