Well, on the other hand it's very hard to make the whole large urban core interesting and alive. Urban core is always smaller to fit everybody, hence unrealisti

Well, on the other hand it's very hard to make the whole large urban core interesting and alive. Urban core is always smaller to fit everybody, hence unrealistic prices (think SF). And urban city outskirts aren't so much fun (still small apartments but not much life; crime is sometimes a problem too). Not much better than suburbia.