Group zones mid 30s?

[istivaan]

So many zones seem like bring your own group because not many people venture there. Anyone have recommendations for grouping locations that are decent for 31 mage? My buddy and I duoed in iceclad tonight, lots of fun, but I love me a good dungeon crawl with a group. Seems like zones are either overpopulated or dead. Sol A would be good if it weren't for constant trains, I gave up on it.