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)