I've been reading loads of suggestions/discussions about a spell called spiritform on suggestion forums,
they mainly discuss about Shamans problems against rogues etc but I dont think thatthat it should give you immunity against stuns I know that lots of shamans has problem against rogues, but the spec that is the worst spec in pvp right now is restoration (I dont say that they are unplayable just very fragile with weak heals if you compare to other classes) ele shaman got HUGE amount of burst and a has a reduced damage talent while stunned(so they shouldnt complain alot) and the enhancement has the wolfs that bits him up to full health the most of the time.
Im playing right now a lvl 80 restoration troll shaman and even with earthshield up Im screwed , especially against rogues. If a rogue gets a cheapshot and kidneyshot on me, I could just go afk and do something else cause I know that 90% of the times he will bring me down in the end.
I suggest that deep resto should have a new spell like this one:
transforms the caster into a spirit while the caster is in spirit form all threat from healing spells is reseted you are immune to all imparing/slowing and reduce healing effects all damage is reduced by 30% and you are regaining 100% of your hp lasts 4 seconds (you cant cast anything while transformed it) works pretty much like disperation but just some changes:P