The following are GUILDELINES only, for Karazhan and Gruul's Lair Preparedness

KARAZHAN

Druid
Boomkin: HP: 6,000 MP: 7,000 Other: +600 Spell Dmg, +75 MP5, 15% Spell Crit in Caster form
Healing: HP: 6,000 MP: 8,000 Other: +1,000 Healing, +90 MP5
Tank: HP: 12,000 MP: N/A Other: 20,000 Armor, 415 Defense with 3 points in survival of the fittest, 30% Dodge
Melee: HP: 6,500 MP: N/A Other: 1,800 AP, 20% Crit

Hunter
Beast Master: HP:8,000 MP: 6,000 Other: 1,500 AP, 18% Crit, +75 to hit
Marksman: HP: 8,000 MP: 6,500 Other: 1,800 AP, 18% Crit, +75 to hit

Mage
All: HP: 6,000 MP: 7,500 Other: +600 spell Damage, 25% spell crit, +90 Spell Hit

Paladin
Retribution HP: 7,000 MP: 5,000 Other: 1400 AP, +300 Spell Damage, 20% Crit
Healing: HP: 7,000 MP: 8,000 Other: +1,000 Healing, +90 MP5, 15% Holy Spell Crit.
Tank: HP: 10,000 MP: 4,000 Other: 490 Defense, 12,000 armor, 102.4% avoidance (while HS is up add dodge/parry/block and miss), +150 spell damage.

Priest
Shadow HP: 6,000 MP: 7,000 Other: +650 Damage
Healing HP: 6,000 MP: 8,000 Other: +1000 Healing, +90 MP5

Rogue
All: HP: 6,000 Other: 1300 AP, 20% Crit, +110 to Hit

Shaman
Melee: HP: 7,000 MP: 6,000 Other: 1,100 AP, +70 to hit, 20% Crit
Healing HP: 6,000 MP: 8,000 Other: +1,000 Healing, +90 MP5, 10% Spell crit
Caster DPS: HP: 6,000 MP: 7,000 Other: +600 Spell Damage, +60 Spell Hit

Warlock
Affliction: HP: 7,000 MP: 6,000 Other: +600 Spell Damage, +90 Spell Hit
Demonology/Destruction: HP: 7,000 MP: 6,000 Other: +600 Spell Damage, 20% Crit, +90 Spell Hit

Warrior
DPS: HP: 7,000 MP: N/A Other: 1,700 AP, +70 to Hit, 25% Crit.
Tank: HP: 12,000 MP: N/A Other: 490 Defense, 12,000 armor, 45% Avoidance (Dodge/Parry/Block/Miss added)

GRUUL'S LAIR

Druid
Boomkin: HP: 8,000 MP: 8,000 Other: +750 Spell Dmg, 18% Spell Crit in Caster form, 9% Spell Hit
Healing: HP: 8,000 MP: 8,500 Other: +1,400 Healing, +120 MP5
Tank: HP: 16,000 MP: N/A Other: 25,000 Armor, 415 Defense with points in survival of the fittest, 25% Dodge, 1,100 AP, 20% Crit
Melee: HP: 8,000 MP: N/A, Other: 2,500 AP, 25% Crit

Hunter
Beast Master: HP: 8,000 MP: 7,500 Other: 1900 AP, 20% Crit, 8% to hit
Marksman: HP: 8,000 MP: 8,000 Other: 1900 AP, 20% Crit, 8% to hit

Mage
All: HP: 8,000 MP: Other: +800 spell Damage, %20 spell crit, 9% Spell Hit

Paladin
Retribution HP: 8,000 MP: 6,000 Other: 1600 AP, +400 Spell Damage, 20% Crit
Healing: HP: 8,000 MP: 9,000 Other: +1,500 Healing, +80 MP5, 15% Holy Spell Crit.
Tank: HP: 12,500 MP: 5,000 Other: 490 Defense, 14,000 armor, 102.4% avoidance (while HS is up add dodge/parry/block and miss), +200 spell damage.

Priest
Shadow HP: 8,000 MP: 7,500 Other: +850 Damage
Healing HP: 8,000 MP: 8,500 Other: +1,500 Healing, +130 MP5

Rogue
Combat Swords: HP: 9,000 Other: 1500 AP, 20% Crit, +185 to Hit
Combat Daggers: HP: 9,000 Other: 1500 AP, 26% Crit, +115 to Hit
Assassination: HP: 9,000 Other: 1500 AP, 26% Crit, +115 to Hit

Shaman
Melee: HP: 8,000 MP: 6,500 Other: 1,300 AP, +9% to hit, 20% Crit
Healing: HP: 8,000 MP: 9,000 Other: +1,400 Healing, +120 MP5, 20% Spell crit
Caster DPS: HP: 8,000 MP: 8,500 Other: +800 Spell Damage, 18% Spell Crit

Warlock
Affliction: HP: 8,000 MP: 7,000 Other: +850 Spell Damage, +80 Spell Hit
Demonology/Destruction: HP: 8,000 MP: 8,000 Other: +1,000 Spell Damage, +80 Spell Hit

Warrior
DPS HP: 9,000 MP: N/A Other: 1,700 AP, +12% to Hit, 30% Crit.
Tank: HP: 13,500 MP: N/A Other: +500 Defense, 16,000 armor, % Avoidance (20 Dodge / 17 Parry / 30 Block)