This article at law.com discuss whether it is time to choose something else than the Microsoft Family: Ubuntu 7.04.
Read it here
The analysts predict that “Ubuntu will make a play to compete for enterprise Linux server business against Red Hat, Novell and Oracle.”
That prediction bodes well for Ubuntu as a business-ready Linux distro. However, Canonical still needs to provide features that allow administrators to manage an entire Linux infrastructure, with role-based groupings, administration for policies and permissions, and scheduled actions. Until it does, organizations are likely to consider Ubuntu primarily as a worthy Windows replacement