Destro vs Affi

Hello people!

I wanted recommendations on which spec to go for max lvl PvP. Right now I'm still low geared (504) but i intend to get full geared eventually (obviously).
So i wanted to know what spec is best and/or worse in different scenarios (BGs and Arenas), which might be more difficult to play and what spec i should aim for as my gear progresses. It would be appreciated if you could explain why :).

Thank you for your time and see you in-game!

-Rokuhara, Worgen Warlock

Both of them are good in bg's. Affliction will do a lot of spread pressure, making it hard for healers to keep up. Destro will do huge burst with 150k-200k chaos bolts and other hard hitting spells. Affliction is better in arenas but also needs gear (at least pride wep before you should play it/try it). Affliction is more difficult to play because you have to manage dots and snap-shotting your burst cd's with soul swap between targets.