sys-apps/coreutils-7.0 was released on 2008-10-05.
eh? coreutils-7.0 is not on the gnu mirrors and i can only find a snapshot on http://meyering.net/cu/
I guess the GNU people consider version 7.0 as alpha release: ftp://alpha.gnu.org/gnu/coreutils/coreutils-7.0.tar.lzma
7.1 added to the tree