The official Redhat mirror is very slow at the moment.
Here is a faster mirror from my company for the x86-64 version:
http://download2.imt-systems.com/rhel6b2/
there are also torrents available:
http://distrowatch.com/?newsid=06160
--
Among the maxims on Lord Naoshige's wall, there was this one: "Matters of
great concern should be treated lightly." Master Ittei commented, "Matters
of small concern should be treated seriously."
(Ghost Dog : The Way of The Samurai)