1. Where to read about the best O.S (operating system) for the year 2013? http://powerpcliberation.blogspot.be/2013/01/best-os-for-job-in-2013.html
2. Most safe OS for users: http://www.combofix.org/which-operating-system-is-safe-from-virus-attack.php or http://www.security-faqs.com/is-linux-still-the-safest-operating-system.html
The best OS is the system where you feel your best at, and with which you can do everything what you want in a simple way!