WAR will not have the advanced UI, macro and scripting features that WoW has, which is a good thing, less room for abuse.
Anyone else think this is not a selling point for WAR? After playing WoW for a good long time, I've started to get the distinct impression that whatever game comes along to replace WoW will, as a necessity, have to have a reasonably customizable UI. Think about it, each of you. How many people do you know that play WoW without any customization to the UI? Hell, I had at least 10 addons before my first character got to level 10, no exaggerations. Multiboxing or not, the customizable interface in WoW is revolutionary.