pre buff 95% es
this. ES sorc most flexible for pvp, compared to vita.
Either you break their cr or you dont.
So you can be a glass canon and deal like 40 more damage vs those people who actually have gear to handle blizz with max possible res.
Or you can be a tank es build which deals 40 less damage to enemy compared to vita.
Thats the reality.
You can play around with numbers and see..
Damage * 0,17 * (1-(CR/100)) * (1-(ABS*2/100))
CR in this example is OFC the end result of enemy CR. Example: -100, +50, +5, +75.