SharePoint migration paths
Most people are eager to update to the latest version of their favourite app, but its just not possible to press an update button with SharePoint. The wise intranet manager will have a certain amount of trepidation as they embark along the SharePoint migration path.
You might be most concerned with making sure site collections (Team Sites, My Sites) get upgraded to SharePoint 2013 smoothly; find out what to watch out for as you hit the metaphorical update button.