Burning Crusade Will Introduce Difficulty Settings

[Raelynn]

Among the innovations that will be introduced in the Burning Crusade are difficulty settings that the party leader can choose when starting up an instance:
Read the article for even more information on the Burning Crusade. I've given you a topic. Now discuss!

Something that kinda bothered me from the same article was this:

Each class receives five new Spells and abilities

They claimed the classes were getting new abilities from level 40 and up. 5 abilities doesn't seem like all that much to me :(