I worked for a CIO who liked to be no more than one major version behind on software. He explained that he had been burned too many times by upgrades that had

I worked for a CIO who liked to be no more than one major version behind on software. He explained that he had been burned too many times by upgrades that had to go through several versions. If you are going to have to do the work anyways, why not reap the benefits for a while as well.