Ascended items from other dungeons.
I did the Arah event to finish my story line, That dungeon was a joke, in story mode, the reward for the “BIG FINISH” was some rare that I could not use because I was already in Exotic gear. The end of the personal story line should feel like you have accomplished a major event with a reward that reflects the hours put in to finish your personal story line.
GW2 will always have a following, but with Elder Scrolls and Neverwinter Nights coming up Anet needs to pick up its socks, as there are a number of FTP games coming down the line.