Minimum class stat requirement for Karazhan

Warrior
Tank(MT):
12500 Armor, 12500 hp, 490 def., 15-30% Dodge/Parry

DPS:
1800 ap, 70 hit, 33% crit

Druid

Tank:
440 def with 3/3 Survival of the fittest, 13000 hp, 33% Dodge, 22k armor
(As suggested by Karthis)
DPS:
650 dmg, 17% crit (caster form), 75 mp/5, 75 hit

Heal:
+1100 heals, 110 mp/5

Rogue

1400 - 1500 ap, 95 hit, 22% crit
As suggested by mesczante

Priest

Heal:
6500+ health, 8000 mana, +1100 healing, 110 mp5

DPS:
6500 mana, +600 dmg, + 3-5% hit
(As suggested by MK)

Hunter

BM:
8500 hp, 6500 mana, 1550 ap, 18.5% crit, 85 hit

MM:
8500 hp, 6000 mana, 1850 ap, 17.5% crit 75 hit

Shammy

Resto:
1100 heals, 110 mp/5, 10% crit

Elemental:
+600 dmg, 20% crit

Enhancement:
1200 - 1300 ap, 20% crit, 8% hit

Mage

+650 dmg, 90 hit, 25% crit, 6500 hp and 7500 mana

Pally

Tank:
102.5% Total avoidance (dodge/parry/block)
490 def, 11000 hp, +120-160 dmg

Heal:
1100-1200 heals, 80-100 mp/5, 8000-9000 mana, 15-20% holy crit

Warlock

Affliction: 7500 hp, 6500 mana, +650 dmg, 90 hit

Destro/Demon: 7500 hp, 6500 mana, +650 dmg, 90 hit, 20% crit

Again, your comments and opinions will be greatly appreciated.