http://www.tankspot.com/index.php?pageid=DreasusPVPGuide
This guy knows what he's talking about. It's really worth reading. If you play a warrior, it's a must-see and if you don't, it'll still help you out. The guy has a great attitude and way of looking at things. If you aren't a warrior, it will also show you a bit of how to kill warriors ]:D