You guys are silly with Windows vs Linux. Use what you want. Neither is "shit". Linux and all its derivatives is the most widely used server OS in existence. Windows is the most widely used for desktops and consumers.
They both fill different niches. I run my rig on Linux but only since ive been using it since the late 90s. I can see how it would scare newbies away as the learning curve is high. Back to BTCZ discussion...