My spec at lvl 70Follow

At the moment i am lvl 68 and protection.
At lvl 70 i want to do pvp and some instances.
The specs i can go are shockadin or retadin.

Please post and help me decide.

I would go Shockadin for pvp, and if you bring a healing set along, you can switch into healing for instances.

I have to QFT this.

Going Holy is the most viable possibility I see.

For instancing, Prot and Holy are the most reasonable choices. Regardless of the whole "Ret can DPS" debate that has been going on around here lately, though much less as of the past few days, people in the game still carry the idea that Pallies can't DPS and, frankly, I would too take pretty much any other DPS class over a Ret Pally. =/ So tanking and healing are the best choices, I believe.

For PvP, either you try to be a Ret Pally which works better than in PvE from what I've seen and heard, or you are Holy and support your team for glorious victories. (Notice the bias toward Holy here) As Prot you'll have to find Rogues and Warriors cause you'll lose against pretty much any other class. And the healing won't be nearly as good as a Holy Pally. So individualistic DPSer or group support are the two PvP choices, in my opinion. (Again, huge bias, I know)

And thus, the only spec that fits both is Holy. And luckily, you can have a single build for both PvP and PvE. (Yay, bias!)