Pvp gear and rewards should be specific to playing pvp maps. Set all attributes to aid in pvp. Pve rewards should benefit pve players. It's not right to have players who never play pvp or those who never pve shouldn't have to switch play styles to level up. That also would require a far better matching system, so die hards and casuals can equally enjoy the game.
Edit: also for the sake of statistics, please post which answer you selected and preferred playstyle
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I just posted something similar.