A bit of digging will reveal this discussion carried out time and again in the Travel Technology section.

Again - depends on your application, what you're going to use and where you're going to use it.

(and yes - I manage a PC network and run a Mac Network at home - as I tend to play photographer I find the toolset more appropriate to that platform - like I said, different strokes for different folks.)

For those feeling unloved and technical, have a Mac and want to play with BSD, open up a terminal box and run some system level commands with sudo. That'll change your views.