Red Hat has uploaded the mysql rpm they are builing with the RHWAS rpms now.  I think they are all there now except for the java srpm they are using.  Any chance CentOS will rebuild at least the non-java stuff in a separate repository?
 
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHWAS/SRPMS/
 
Greg