Obviously avoid South like the plague. Can't speak for East I've not sat there for ages, I've heard mixed things about it. Our seats are currently in NT2 right on the goal line next to the quadrant - bit of a mixed bag but if you're up for it then it doesn't really matter, there are generally quite a few around who will help get things going + the noise carries over from the Stretty which helps. No standing up though
Don't be totally put off by NT3 either, the atmosphere can be really good up there and whilst you are a long way up you get a good view of the whole pitch + what's going on. But obviously, Stretty Upper is the first choice.