I'm going to venture a guess and say that PvP is now faster. The only reason I say this is because it seems that Blizzard has nerfed the amount of xp you get in dungeons now. I used to be able to get a good amount of xp in each dungeon I went into, but now it takes about three to four runs to get what I used to get in one run. It sucks because I dislike PvP, even if I'm botting it, and it seems like Blizzard is forcing players to quest and PvP to level.