SFist Wendy's favorite SFIFF film fest movie yet! It doesn’t get any better than this. Really. We headed to the Clay Sunday night, very relaxed and content as it was, having spent one of the most beautiful days ever up at Stinson Beach (never mind all the flies, anyone know what the story was with those flies!?), and now happily anticipating the latest SFIFF romance Once, featuring Glen Hansard, the lead singer of the......