Auto Attack would be a step back if they do it without any other changes or make it like FFXI.
I cant say if this is a step back since we have no idea what they are planning except that AA will be in there.

Even though, im interested in how they will do it with the new Hate system e.t.c, and how much hate it will build or if it wont even build any in the first place, liker only TP attacks or provoke skills.
And if the keep the stamina system.

But one thing that i really liked about the new Letter is, that Yoshi will post a video of it.