I used to play a paladin as my main, but one day I decided to level a rogue to farm herbs and alchemy, cuz they are totally awesome for farm, better than druid imo (stealth + sap FTW), and when I started do heroic dungeons with him I loved and now my rogue is main and my paladin is just an alt to farm ore and vp. But I think the same the op, I hardly have seen rogues been played, mostly in PVE.