Arcane Frost Mage

Ok so here is a build idea I had for a arcane frost mage. tell me what you think. All constructive criticism is welcome.

Minimum Required Level: 60
Required Talent Points: 51

Arcane Talents - 23 point(s)

# Arcane Focus - rank 5/5
# Arcane Concentration - rank 5/5
# Improved Arcane Explosion - rank 5/5
# Evocation - rank 1/1
# Improved Counterspell - rank 2/2
# Arcane Meditation - rank 5/5

Frost Talents - 28 point(s)

# Permafrost - rank 5/5
# Ice Shards - rank 5/5
# Winter's Chill - rank 3/3
# Improved Frost Nova - rank 2/2
# Piercing Ice - rank 3/3
# Cold Snap - rank 1/1
# Frost Channeling - rank 3/3
# Shatter - rank 5/5
# Improved Frost Ward - rank 1/1