The relevance of 5-man content again and the profession changes. Craft in an MMO has always been an interest to me. Cool items like the moll-ee and Jeeves were good and in Jeeves case, having to farm all the mats and plans over 3 expansions made the final goal of crafting him feel like an achievement.
The art style of the new dungeons look amazing also, especially The Arcway and the Maw of Souls.
The changes to the UI in regards to the way the talents and specs work. being able to change them on the fly is a huge increase in convenience as Í play Prot/Ret and I'm forever changing talen
