All,
There is an rsync in the testing repository with ACL support.
rsync-acl-2.6.9-1.i386.rpm rsync-acl-2.6.9-1.x86_64.rpm
It comes from here: http://www.kepreon.com/~matt/myrsync/
Info on the testing repo: http://wiki.centos.org/Repositories
Thanks, Johnny Hughes