I was going to post exactly this. Our IT/Helpdesk/(whatever they want to be called this week) puts a custom image on to every machine we get, regardless of the

I was going to post exactly this. Our IT/Helpdesk/(whatever they want to be called this week) puts a custom image on to every machine we get, regardless of the brand, and I couldn't imagine doing anything else. For one, many organizations like to control update paths/times (better coordination I'm assuming, etc).