Take A Look At Solaris 10
 

There haven't been many reviews of the recent Solaris 10 release from Sun Microsytems, and even those which are available are thin at best... until now. Mad Penguin, normally a Linux-only site, has release the most comprehensive and well-written review of the OS to date

http://slashdot.org/article.pl?sid=05/03/01/0055255