Oh of course he would love to do it. At least he isn't lying anymore by saying that he wouldn't
Though I have heard that MGM (the only thing in the way of this happening) is someone who has made these type of rights fights go on for a very long time (we're talking years, like 9), so it could still be a while. But I wouldn't bet against seeing a PJ directed Hobbit sometime in the not so distant future.