I find the wording in this blog entry interesting - in particular &quot;most in need of an upgrade&quot;.<p>In my opinion, hardware that can be repaired and software that has been running in production for years is not in need of an upgrade. The need to refresh software or hardware exists purely to keep vendors in business and even just to keep some I.T. departments busy and their C.V.&#x27;s up to date.<p>Provided a system is working reliably and is not dependent on changing external requirements there is no need to upgrade. The risk to a business or entity from the constant upgrade cycle is far greater than keeping something existing and tested running.