The differences between the Sun and open-source versions of Solaris will be comparable to the differences between Red Hat's Enterprise Linux and the free but unsupported Fedora Core version, Schwartz said: Only the former will come with support and certification.

The second beta release of Mandrakelinux 10.1 for x86-64 has arrived!
"Mandrakelinux 10.1 Official for AMD64 combines the strengths of the 10.1
Official distribution with the latest technology of AMD Athlon(TM)64 and
AMD Opteron(TM) processors. AMD64 technology provides more efficient
memory access and doubles the number and the size of processor registers."
ISO images are available for download and tests. More information about
this beta release can be found here.
http://www.mandrakelinux.com/en/101beta-x86-64.php3

Novell today announced the November availability of SUSE® LINUX Professional 9.2, providing Linux newcomers and enthusiasts with the latest advancements in open source technology. SUSE LINUX Professional 9.2 comes complete with comprehensive installation media, documentation and technical support and is available for standard 32-bit PC processors as well as AMD Athlon* 64 and Intel* Extended Memory 64 Technology. It is the de facto standard for retail Linux and passes another milestone in the evolution of Linux viability for the mass market.