Aion is a new (to the US) MMORPG coming 2009-09-22. It runs fast, looks great, and has solid netcode (US people playing on the Chinese servers tell me they can't tell that they are playing on servers across the ocean).
Aion is a very Realm vs Realm oriented game with a third realm controlled by AI to help balance the fight (something WAR could probably use...). Aion is unique in that you can choose to engage in ariel combat, both PvE and PvP; in fact, the PvP end-game takes place among the smaller fragments of the shattered world. Both realms have the same classes covering four archetypes, each with two classes that you can choose between at level 10. Since there is virtually no difference between the classes on each side there should be no class balance issues.