ShaftTop, ThunderGod, StormShield, RockStopper and a RisingSun. Pump dex for perfect block - You bave a prettt uber PvM and PvP sorcy there, aka KoParfait the "I am screwed char".
Tri Tree with Thunderstorm would be awesome for PvP.
Blocks Whirly with no prob
The only thing another sorc is going to hurt you is with cold, but a Raven Frost should do the trick.
I know I have omitted details but I got to run