Solaris 10 10/08

Solaris 10 10/08 aka Update 6 is finally out - you can download it from here.
Among many new features and updates couple of my favorites:

• LSI Mega SAS driver (Dell PERC 5/E, 5/I, 6E, 6I among others)
  
• Root filesystem on ZFS
  
• ZFS send enhacements (recursive send, cumulative incrementals, etc.)
• ZFS failmode property - wait, continue or panic in case of catastrophic pool failure
• zpool history -l pool - additionally provides user name, hostname and zone name
• ZFS slogs
• ZFS Hot-Plug support - hands-free disk auto-replacement
• ZFS GZIP compression

There are many other enhancements, check below URLs for more information on them.

What's New by update
New Features in U6
What's New