All you people are suggestin is the lvling part, lvl this and lvl that. Yes ofcourse its easier to lvl on a low populaited server like Zeth'Kur with population around 2-3k.
Yes the population on Zeth'Kur is 2-3k these days, nowhere near the 6-7k people imagining themselfe, it was around 5-6k when the server started and that was 3 weeks ago, what will happen in another 2-3 weeks, 1-2k players?
My point is where do you want to have your lvl 60? Lets say you lvl for a month IRL time and you decide to go for the easy way on Zeth'Kur, its faster then Elysium yes, but is it funnier? (your decision) But now for the most important thing, lets say you ding 60 and you play your character for 1 year or so, do you want it to be on a low populaited server or on a high populaited server?
MY OPINION, I suggest Elysium for sure. Elysium will still have a good populaition in the future, Zeth'Kur not. MY OPINION.