Windows does not run out the company issued a OS (Operating System). Windows 7 was just released, but the Windows is designed for Windows 8.
And rumored to be out in 2012. When the year 2012 did not happen by Mayan Doomsday, then exit Windows OS 8 was.
To launch Windows Server 2003 and Windows Server 2003 R2, Microsoft takes time for two years.
And just as Windows Server 2008 and Windows Server 2008 R2.
For that, the company renowned Operating System Microsoft Windows does not require a long time to get the latest version.
p/s: benda neh aku ambek dri blog member2..info diatas sememangnye betul,,as general knowledge 'bout windows