I love mmo mechanics, I love pvp, I love the idea of an open world mmo pvp game but each one suffers from the exact same problems.
Personally, I think this is the best outlet for that type of gameplay out right now:
https://www.youtube.com/watch?v=GKbXcsa5Otk
Id play eq pvp if it was like this game. Maybe rise of zek is good. I think sounds like the best EQ pvp but I have not much interest in setting it up to try. But sounds cool to me.
Give me a server that resets every 24 hours, has 5000% exp bonus, no level ranges, one by one zones fill with the plague causing damage (like those Battle Royalle games) and a set up a leaderboard and Id be logging in every night.