I don't have a guild on Sarlona, and I dont really care about 'social' channels tbh. But I've been trying to PUG on all servers in order to estabilish myself in one. And so far, got more luck on Sarlona (went from level 6 to 11 trough creating and joining PUGs), perhaps because I am a rogue and I am always needed in those Elite bravery streak groups. I've playing much more on Sarlona because of the PUG activity here. So, keep the pug's on!