Few days before, the Mac vs 10.7 i.e Mac OS X Lion was released and available to download/upgrade ( check the system requirements for Mac OS X Lion if you want to upgrade your Mac OS X Leopard to Mac OS X Lion ) from the App store. Mac OS X is one of the most popular operating system (probably due to its robust and cool GUI/applications, it’s is specifically most popular in U.S) on this planet.
