That McQueen may be on the verge of becoming not only the first black film-maker to win an Oscar for best director, but the first to do so while in possession of a Turner prize, lends enough historical precedent to merit your attention. But more important is the reward of seeing an artist using the medium of film for its highest purposes: to elevate, educate and ultimately ennoble the viewer by presenting them with something that is visceral, truthful and electrifyingly "real".