If you didn't like GW2s WvWvW you probably wont like Elder Scrolls either.
I wouldn't recommend Rift, as the PvP is highly unbalanced.
But with Aion, WoW and GW2 you probably listed the best "normal-MMOs" (regarding PvP) already.
Maybe it's really time for something more fast-paced and skill-based:
Dragon Nest is pretty fun and surprisingly balanced. You can also give Vindictus and C9 a try.
if you already tried Aion and GW2, then im not sure u wud like Champions of Regnum.
but ill mention it anyway because it is a pvp centric game.
Be warned - I am a major player of Regnum Online the mmo. I've been playing it for about 2 years and rarely go without logging in at least once a day. You can also look at good alternatives to Regnum such ase Aion online and Aika Online.