Fire mage or Affliction lock?

[Zeruis]

Which would be better for a 99 twink for bgs, Affliction warlock or fire mage?

 

[v Excise]

Warlock.

 

[MyPerfection]

Affliction does more damage.
Affliction lives longer.

 

[Toklo]

The two above me are correct.

 

[Hypno]

The one above me telling the two above him are correct. Is correct.