I got on today and my spell effects, particularly that for my MW Monk, were significantly more pronounced/something actually happens (like Uplift and Revival animations, Soothing Mist actually has those fancy spiraling green things all the time, and so on).
My computer has been running WoW on Ultra since I got it a few weeks back and I haven't seen my spell effects this pronounced and, well, visually satisfying.
Was there some blue post I missed about this change?