Even after keeping all inside details under tight lid still most details gets leaked out on internet. In past we have seen how windows 7 builds were leaked on internet followed by Office 2010 Build and screenshots. There are also several confirmations that Redmond working on Windows 7 Service Pack 1.
The strong proof of Windows 7 Service Pack 1 is recently leaked screenshots, There were several rumors on Microsoft working on Windows 8 but no one is sure whether this is true or not. Certainly there is something cooking after Windows 7 RTM and Wzor has screenshots to backup this.
Wzor has posted first screenshots of post Windows 7 RTM build 7700.0.100122-1900, though there are no visible changes but it represents the proof that there is life after Windows 7.
Windows 7 Post RTM Build Details
FILE: 7700.0.100122-1900_x64fre_client_en-us-GRMCXFRE_EN_DVD.iso
SIZE: 3,231,166,464 byte
SHA1: C0CB719B781D49B39D8CC93A27F990A366B8E4C7
MD5: EBEB8AEC73339536564D26DB584A9474
CRC: B3F323D6
