I am playing on Order side on Volkmar (character = Ring) server and on Phoenix Throne server (character = Dorrit). Phoenix Throne is a roleplay server, and mythic actually makes you click through another agreement related to roleplaying before you can start making characters. I think that's good. If you decide to play there, look me up.
There are basically two rulesets in WAR. There's Core, which means only a few designated Realm versus Realm zones automatically flag you. Every zone has the possibility of being held by either side, but characters are not automatically flagged at all times. If one side captures a zone, that side gets some nice buffs for the duration.
The other ruleset is "Open" which means everyone is flagged everywhere.
Volkmar and Phoenix Throne are both Core ruleset. As much as I like that you can level through PVP, I had enough of random ganking in WOW.
The game is certainly more polished now than WOW was at its launch (I started on day 2 of WOW after doing a little open beta.) There are annoyances and bugs like in any large piece of software. The fundamental design, though, is really nice.