Despite some flaws, the movies kicking off November's DVD releases all have one thing in common: entertainment value. 'Cars 2' lacks the originality and pizzazz of its predecessor, but hums along at a brisk, mostly enjoyable pace. 'Crazy, Stupid, Love.' is pat and predictable, but has likeable, enjoyable characters. The sleeper of the week is 'Water for Elephants,' a Depression-era circus-set action-drama that is pure storytelling at its best. Read on.