On that note, these administration issues are why Walmart & Kroger are on SUSE, much of the IT work you see smaller chains employing people to do has been automated away, or reduced to having any available employee follow a (very simple) guide on how to netboot the machine for re-imaging.
A very simple FAI or Kickstart server with small tools to enable provisioning can automate a lot of things in a non-IT oriented workspace.
A simple HTML form to "arm" the installation server, a simple reboot and PXE booting can be much more effective than all the painkillers combined for remedying the headaches of IT people and managers alike.
If you don't roll changes that often, you can distribute emergency USBs to install servers and workstations. Even a single USB can detect and install the system accordingly.