The “What’s New” document for Solaris 10 8/07 states the update “..includes the tools necessary to install a CentOS 3.5 to 3.8 or Red Hat Enterprise Linux 3.5 to 3.8 inside a non-global zone. Machines running the Solaris OS in either 32-bit or 64-bit mode can execute 32-bit Linux applications.” Additionally, “DTrace can now be used in a non-global zone..” and ZFS gets even cooler. w00t.