Considered for a long time as nerdy, it's the big comeback of hyperrealism and its past perfect visual assault. This year, from Frieze to Fiac, contemporary art fairs abound with hyperrealistic treasures created by a vivid generation of Post Pop artists, re-exploring realism to challenge our modern world. Here are the worthy and uninhibited heirs of Duane Hanson, Ron Mueck and Chuck Close ... [this content is for clients only]