I have done many hours of research into mmorpgs of many kinds, out and in dev, and i have come across the repopulation. i have it favorited, though it is not my top anticipated mmo. that title belongs to citadel of sorcery (
http://www.citadelofsorcery.com/about/game-plays). Though i really find it hard to think an mmo could also be a survival game, if thats what you want then look into this as well
http://survarium.com/en/page/introduction