PvP has been broken since i13.
If you still wanna give it a try, check your mids turned on PvP mode (options, configuration, effect & maths). And look carefully at the dmg of each of your attacks.
You'll notice that Air Sup, Kick, Flurry, Boxing (aka the Pool Attacks) deal twice more dmg than your SS/ attacks, and, but Flurry, have shorter activation times. No it's not a joke, or a bug in Mids. Yes that's how stupid the new pvp system is.
However you can keep rage from your primary as its ToHit and dmg bonus still works there, and Hurl because it's a range attack.
For /Stone as a secondary I'm not sure how it performs, but I suspect it must be really far from how tough it was before i13, due to the stupid normalization and DRs on resistances.
Good luck 
Stone Melee is good in PvP, Stone Armor is lousy. You're hard to kill in Stone Armor, true, but your mobility is heavily compromised and the PvP game is all about maneuverability.
For PvP go with Stone/Fiery or Stone/Invulnerability instead.
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dont want to hijack the OP but what about stone/WP? I think I have a really good build for PvE but does anyone know its value for PvP?
@Rabid, read my post above = your attacks are not good ! For PvP you must pick in the power pools (AS, Kick, Flurry...), they deal much better dmg. Keep Hurl and BU from your primary. That's pretty stupid but that's how it works. I keep repeating it as ppl seem to ignore it, and maybe when everyone knows that the devs wont have any other choice than changing it.
For your secondary, /WP is stupidely gimped due to the fact that every mez gonna drop your RotC toggle... and it takes like forever to recast it everytime during a fight.
But what really counts here, believe me, is that Stone/WP is a blast in PvE. Stick with this one for long, you wont be disappointed
(And one last tip for PvE, put the Force Feedback +rech proc in both Fault and Tremor, it has a chance to proc for each critter hit by your AoE. That means that while in a large pack of mobs it procs with a proba of 2/3, giving you +100% rech for 5 sec ! It's really awesome with this combo as you can spam your AoE mitigation alot while /WP regen keeps ticking. And the FF recipe is really cheap, what can you ask more^^)
I would recommend that you try another secondary for PVP. Simple reason, suppression. I had my SS/Stone in RV, when reinforcements arrived. Simply put, the movement penalties of granite/rooted combined with suppression means that you would have to de-toggle just to sprint. De toggling in combat = dead stoner.
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So I was thinking about making a Super Strength/ Stone Brute for PvP, but wasnt sure how well they do. Any ideas of how well they would do in PvP?
Any ideas or recommendations for power selection and slotting?