Horde had the better questing and PvP. Nothing more infuriating than having Alliance 1 flight path 30 miles away from a couple of quest givers in the nearest zone while Horde has 15 flight paths, 500 vendors, and 30 quest givers in every zone.

Alliance had the better cities and PvE. Nothing more infurating than raid wiping because no salve and the raid wipes after windfury triple procs on melee causing a threat resonance cascade and tanks panicking trying to tard wrangle (impossible).