A new version of Virtual Iron will be released later this day:
Release Number: 4.2.13
New Feature:

Linux VSTools installation for kernel updates / new distros

Fixes:

Windows VSTools hangs during installation
SLES 10 CD Based installs fail
Archive manager stops running
Network associations lost when ports are reset
When VSTools is checked on W2k3 domain controller guest all logins fail

Virtual Iron 4.2 has officially been released. Virtual Iron uses the Xen Hypervisor and positioned their product “Virtual Iron Enterprise Edition” as a competitor of VMware ESX. This new release includes a couple of long awaited features: