"A preview of Red Hat Enterprise Linux 5, which won't be released for about a month, is available via the latest Scientific Linux 5 (SL5) alpha live CD/DVD, released this week. Built from source packages for RHEL 5, SL5 sports a 2.6.18 kernel and either the KDE or GNOME desktops.
"On the SL5 alpha live DVD, all client/workstation RPMs are installed and GNOME is the default desktop. On the SL5 alpha live CD, KDE is the default desktop. 'For the moment there are no 64-bit SL5 alpha live CD/DVD available,' the team said in the release announcement..."