The Films of John Cassavetes

They've long been on my list of classic films to see, but I finally got around to starting with Woman Under the Influence, which I figured would be his most accessible work. I enjoyed some of the performances and the freedom and time that Cassavetes allowed his actors on camera although my endurance began wearing a little thin toward the end.

What are your favorite Cassavetes films and which should I try next? I've been leaning toward The Killing of a Chinese Bookie because the reviews sound so intriguing--albeit it sounds like I'm about to test my endurance even moreso than Woman Under the Influence.