Patch 1.0.4 Few Words About Changes for Wizard

• Active Skills
  • Arcane Torrent
    • Arcane Power cost reduced from 20 to 16
    • Weapon damage increased from 175% to 210%
    • Skill Rune – Death Blossom
      • Projectiles are now less random
    • Skill Rune – Arcane Mines
      • Weapon damage increased from 150% to 180%
    • Skill Rune – Cascade
      • Weapon damage increased from 175% to 210%
  • Archon
    • Slow Time duration increased from 8 seconds to 15 seconds
    • Skill Rune – Arcane Destruction
      • Weapon damage increased from 450% to 1600%
  • Diamond Skin
    • Skill Rune – Mirror Skin
      • Amount of damage reflection increased from 50% to 100%
    • Skill Rune – Enduring Skin
      • Duration bonus increased from 8 seconds to 9 seconds
    • Skill Rune – Diamond Shards
      • Weapon damage increased from 155% to 210%
  • Electrocute
    • Weapon damage increased from 80% to 90%  (this also benefits Chain Lightning, Forked Lightning, and Surge of Power)
    • Skill Rune – Forked Lightning
      • Weapon damage increased from 46% to 55% per charged bolt
    • Skill Rune – Lightning Blast
      • Weapon damage increased from 80% to 86%
    • Skill Rune – Arc Lightning
      • Weapon damage increased from 80% to 115%
  • Energy Twister
    • Proc coefficient reduced from 0.25 to 0.125
  • Explosive Blast
    • Skill Rune – Time Bomb
      • Weapon damage increased from 293%  to 315%
  • Hydra
    • Skill Rune – Arcane Hydra
      • Weapon damage increased from 28% to 60% per Arcane Orb
    • Skill Rune – Lightning Hydra
      • Weapon damage increased from 34% to 64%
    • Skill Rune – Frost Hydra
      • Weapon damage increase from 31% to 36%
      • Cone width changed from 15 yards with a 60 degree spread to 35 yards with a 30 degree spread
    • Skill Rune – Mammoth Hydra
      • Weapon damage increased from 22%  to 67%
  • Ice Armor
    • Increased the likelihood that attackers will be Frozen rather than Chilled
    • Skill Rune – Crystallize
      • Armor bonus per stack increased from 15% to 30%
    • Skill Rune – Jagged Ice
      • Weapon damage as Cold increased from 100% to 130%
  • Meteor
    • Weapon damage increased from 200% + 60% over 3 seconds to 260% + 60% over 3 seconds
    • Skill Rune – Molten Impact
      • Weapon damage increased from 260% +78% over 3 seconds to 390% + 90% over 3 seconds
    • Skill Rune – Meteor Shower
      • Weapon damage increased from 80% to 104%  for each smaller Meteor
    • Skill Rune – Comet
      • Weapon damage of initial hit increased from 240% to 312%
  • Shock Pulse
    • Skill Rune – Fire Bolts
      • Weapon damage increased from 136% to 152%
    • Skill Rune – Lightning Affinity
      • Arcane Power restored per pulse increased from 2 to 3
  • Spectral Blade
    • Skill Rune – Impactful Blades
      • Now guarantees to Slow the movement speed of enemies by 80% for 1 second (rather than a 5% chance to cause Knockback and Slow the moment speed of enemies by 60% for 1 second)
    • Skill Rune – Siphoning Blades
      • Arcane Power restored per hit increased from 1 to 3
  • Teleport
    • Skill Rune – Calamity
      • Weapon damage increased from 75% to 265%
• Bug Fixes
• Cold Blooded
• Tooltip has been updated to clarify that all damage is increased by 20% to Frozen or Chilled targets, not just Cold damage (functionality of the skill has not changed)

Overall Wizard was nicely buffed in Patch 1.0.4 Blizzard made literally both defensive and offensive skills were buffed and will definitely help you to farm and play more efficently.

Personally I am very happy with these changes. It will be easier to play at Inferno and also level to 60 faster. CLICK HERE for THE BEST Diablo 3 Wizard Guide.