Fire (30 points)

Improved Fireball 5/5

Impact 5/5

Ignite 5/5

Flame Throwing 2/2

Pyroblast 1/1

Improved Flamestrike 3/3

Critical Mass 3/3

Blast Wave 1/1

Fire Power 5/5


Arcane (21 points)

Improved Arcane Missiles 5/5

Arcane Concentration 5/5

Improved Arcane Explosion 5/5

Evocation 1/1

Improved Mana Shield 2/2

Improved Counter Spell 2/2

Presence of Mind 1/1


Frost (0 points)

Fire (30 points)

Impact 5/5

Ignite 5/5

Improved Fire Blast 1/5

Flame Throwing 2/2

Incinerate 2/2

Improved Flamestrike 3/3

Burning Soul 3/3

Critical Mass 3/3

Blast Wave 1/1

Fire Power 5/5


Arcane (21 points)

Improved Arcane Missiles 5/5

Arcane Concentration 5/5

Improved Dampen Magic 2/2

Improved Arcane Explosion 5/5

Evocation 1/1

Improved Counter Spell 2/2

Presence of Mind 1/1


Frost (0 points)

Which of the two do you consider more effective in PvE, especially for grinding mobs (high DPS/low downtime)?

Also, in the "Arcane" department, what would you choose: "Improved Mana Shield" or "Improved Dampen Magic"?

Thanks. The 2nd template was indeed aimed mainly at PvP, iirc. So, I'll take the first one and replace the 2/2 Mana Shield by 2/3 Arcane Subtlety.

Should I complete all 21 talent points in Arcane first before investing a point into Fire?

It depends.

If you're on a PvP server, which I suspect you aren't, you go all 21 points Arcane first.  If you aren't, 21 points all arcane is okay, but you should probably snag 5 Improved Fireball at levels 15-19, right after you've gotten IAM.