We are currently building and testing our CentOS-6.6 release. It normally takes about 2-4 weeks for us to get a full point release out. We can not release updates that are based on 6.6 until we get 6.6 out. All current updates will be released on the same day as the release.
We have a CR repo ( http://wiki.centos.org/AdditionalResources/Repositories/CR ) and we are likely going to release the CR repo around 7-10 days after the release of RHEL-6.6. All updates will also be released into there when it is released.
Please remember, there are around 350 Source RPMs that need to be built and tested for 6.6 and it normally takes 7-10 days for CR and 14-28 days for the full release. We are going as fast as we can, but point releases take time.
Thanks, Johnny Hughes