http://press.redhat.com/2010/04/21/red-hat-enterprise-linux-6-beta-available-today-for-public-download/
Notable bits include ext4, possibly ("expected") xfs. Will be
interesting to see adoption rates of this vs. the new LTS from Ubuntu
this year.
Firing up VirtualBox....
Cheers,
--
Cristóbal M. Palmer
ibiblio.org systems
cdla.unc.edu research assistant