It's a public holiday and raining and the Tuesday 5pm session of 3D Sex and Zen: Extreme Ecstasy at Hoyts Broadway is sold out but for a few spots in the first two rows. Hoyts Broadway is one of three Sydney cinemas screening the film which broke the opening day ticket sale record in Hong Kong, taking the title from the $US237 million 3D blockbuster Avatar. 3D Sex and Zen, made in Hong Kong, cost just a fraction of James Cameron's epic — about one seventy-fifth as much — and is shown in Cantonese...