Try 26/25/0: http://db.vanillagaming.org/?talent#hEczxchoZxVfzV0u
I would avoid any lightning talents, since you want to be using your insta cast spells mostly during a fight. I'm so used to having Reverberation, i can't imagine not getting it. Put points into Elemental Warding as filler, which isnt bad since this is a PvP build. Eye of the storm is your Healing Focus alternative. Enhancement portion is straightforward. Sure you don't get Stormstrike, but at a 20sec cd, it didn't seem worthwhile. I've found you don't really have time to cast lightning spells really, that kind of time is better spent dropping totems according to the situation and running/positioning ur character, which you obviously cant do while casting. Range isnt too much of an issue since you can shut down basically any caster. Stack str(AP), spell dmg, agi(crit), and spell crit.
Here are examples of wut hybrid gear sets looks like (doesn't seem to count set bonuses tho):
http://realmplayers.com/CharacterDesigner.aspx?data=zLlFUQ
http://realmplayers.com/CharacterDesigner.aspx?data=QaQP73
