Again, if you want to win use what's effective and good at winning. Then get good using it. Yes, hunters rule PvP (I know a thousand people are going to get on to us for saying that) but that's because they are the epitome of what people use for PvP in all game variants. Fast, mobile, and capable of chaining kills quickly. But slow, nuking, and defense is weak in this game PvP wise. You say high level is boring, but really it's only what you would expect it to be. And if it pisses you off that much then break the meta game and get good at something interesting and unexpected. But don't expect to win and ultimately get angry and called a scrub.