Which BSD?

Poodle Fang asks: "After using Linux for a few years, I am now interested in trying out the free x86 BSDs. I have been reading that OpenBSD is focused on security and FreeBSD on performance, but is there really much of a difference in security and performance among the BSDs? Do any of the BSDs have any features that sets it apart from the others (for example, does one work better on laptops than the others?) How well do the Linux emulation libraries work? I am more concerned in the performance, stability and security than packaging or an easy install process. Any insights would be appreciated! "