"It's 2007, and you want to upgrade all your PCs' operating systems after the infamous March 2007 XP Meltdown. You know, the virus attack that actually melted computers running XP, but couldn't touch machines running any other OS? Never heard of it? Well, play along with me, OK?
"Let's say that you have a small office. Let's also presume that you've been running Windows XP Professional on decently powerful machines..."
