At least centosh5 but I suspect that others as well miss the liveDVD.iso:
#rsync msync-dvd.centos.org::CentOS-incdvd/6/isos/x86_64/
msync.CentOS.org rsync service (centosh5)
---------------------------------------
[...]
-rw-r--r-- 722468864 2011/07/14 14:17:20 CentOS-6.0-x86_64-LiveCD.iso
-rw-r--r-- 414205 2011/07/10 00:17:22 CentOS-6.0-x86_64-bin-DVD.torrent
-rw-r--r-- 4238800896 2011/07/09 19:57:26 CentOS-6.0-x86_64-bin-DVD1.iso
-rw-r--r-- 1182699520 2011/07/09 19:57:38 CentOS-6.0-x86_64-bin-DVD2.iso
-rw-r--r-- 221249536 2011/07/09 19:46:25 CentOS-6.0-x86_64-netinstall.iso
-rw-rw-r-- 197 2011/07/09 23:42:49 md5sum.txt
Same happens for the i386 tree.
Manuel