Narcissists like to be the center of attention. Psychopaths like to be in the spotlight because it's a means to an end. So narcissism is a way that gives them access to power. Whereas being the center of Attention tends to be the being end all for a narcissist.
What's the difference between a psychopath and a sociopath?
Society focuses on the negative qualities of psychopathy. But what are the upsides?
What career niches do psychopaths tend toward (and which ones should they avoid)?
Can children be psychopaths?
How can you tell if you're a psychopath? (Take the two-minute quiz beginning at 14:39 and post your result and occupation on Twitter tagging @therealdrkev).