nevar played a lock on WoW and I need to know what aspects of gear locks need. for example priests need spirit and intellect. what do locks need?

The only thing Warlocks need for their DPS is Intellect, as of any spell-ranged DPS.

Main Hand: The Turning Tide
Back: Pennant Cloak
Chest: Gown of the Spell-Weaver
Feet: Arcanic Tramplers
Finger1: Signet of Manifested Pain
Finger2: Lost Jewel
Head: Hood of Rationality
Legs: Leggings of the Wanton Spellcaster
Neck: Wyrmrest Necklace of Power
Off-Hand: Surplus Limb
Shoulder: Valorous Plagueheart Shoulder
Trinket1: Extract of Necromatic Power FIXED -- Illustration of the Dragon Soul
Trinket2: Dying Curse
Waist: Cincture of Polarity or Leash of Heedless Magic
Wrist: Bindings of the Expansive Mind
Hands: Gloves of Grandeur
ADDED -- Wand: Gemmed Wand of the Nerubians

i hope it help