While re-watching "Casino" just now I kept thinking of Spielberg's words re: Kubrick. "Just try to stop watching one of Stanley's movies when you've already started," he said. "It's impossible".
Perhaps, with Kubrick's passing, Scorsese became the greatest filmmaker on the planet. "Casino" is just an unbridled jolt of cinema, a three hour movie that feels like an hour and a half, a breakneck pace that still allows for rare depth in its performances and characterisations. It's the best performance Sharon Stone ever put in; after the ridiculous "Basic Instinct" and "Sliver", they could have written her off if not for this. Her character's arc is tremendous.
More than anything, "Casino" is a showcase of what Pauline Kael called "film sense", that implacable quality that all great directors have. Like Spielberg and Kubrick, Scorsese has a gift for knowing exactly what shot should follow which, is an absolute master of camera movements, angles, framing such that the movie streaks across the screen like fast-moving water over rocks, never once stalling or slowing down.
It's brilliant, but it's not up with the director's greatest work like "Taxi Driver", "Raging Bull", or "Hugo", which is a truly underrated masterpiece. It's a notch below, but when Scorsese is a notch below his best, he's still streets ahead of everybody else.