Today, the general availability of CentOS 7 has been announced for 64-bit x86 based systems.
This is the first version of CentOS 7, and the version is marked as 7.0-1406
CentOS 7 release notes can be found here – http://wiki.centos.org/Manuals/ReleaseNotes/CentOS7
To obtain the CentOS 7 release ISO, head over to http://isoredirect.centos.org/centos/7.0.1406/isos/x86_64/
While CentOS 7 has been QA’d rigorously, if you do come across any bugs, please report it to the CentOS team – https://bugs.centos.org/main_page.php
The official CentOS 7 forums can be found here – https://www.centos.org/forums/viewforum.php?f=44