The wild tonal shifts are not the problem here; it is that “I Want Your Sex” never makes viewers want Erika and Elliot to couple up. (James Duval, an Araki stalwart who has a cameo here as a priest, would have been perfect in the role). Cooper Hoffman and Chase Sui Wonders in I WANT YOUR SEX, a Magnolia Pictures release. This film is a genial sex comedy where the characters talk about sex, fantasize about sex, and even have sex. Still, it is nice to have a new feature by Gregg Araki — even if it is a minor entry in the enfant terrible’s oeuvre.