"What would Ubuntu be like if it were an OS for grown-ups?
"This week at its CommunityOne event in San Francisco, Sun will
release its May 2008 build of OpenSolaris (2008.05) the Open Source
operating system based on the source code of the Solaris 10
enterprise UNIX OS, the first to be designated with 'Production'
support offerings. While very much community software and not yet
at the level of polish for end-user adoption that many of the
latest Linux distributions are now enjoying--shows promise and
enormous potential as an enterprise-class UNIX desktop and server
with an Ubuntu-like flavor..."