I remember Ralath saying he didn't think orianna was op.
http://na.leagueoflegends.com/board/....php?t=1193041
She is really strong, just difficult to use. We're all probably too low elo too see her really shine. I played a couple games with her and she is really good. I outlaned annie mid, and it was my first or 2nd time playing her, and i miss like half of my Q's.