I know there are a lot of comments here for different servers, but if you are looking for something different then you could join the server I'm on. The tribe I joined are ace but full, though the map is split into 4 different RP kingdoms on Rag. There are loads of tribes looking for people to join. You could be a Knight like me, or a Viking, a Celt, a Samurai, or join The Black Company which is a travelling band of brothers so to speak. Really cool community. Allows for PvE or PvP. Let me know if you want any more details. It's prim plus which is great for RP. Our tribe even have a little PvE village where we are having an event Saturday to welcome people. Have jousting, dodo toss, archery, fight nights. The server is run per kingdom, with each having a King or Queen who ultimately decides on matters, plus admins that are there to help. It's awesome. You should check it out.