As a SharePoint developer, I work a lot with Virtual Machines (presently using Windows Virtual PC, with Windows 7). I’m using these VMs with my laptop, and in order to get better performance, I’ve moved them to external hard drives. (These drives have faster RPMs, larger caches, and a larger capacity, than the internal drive.) I have one large external drive at home, another similar drive at the office, and a small, slow portable drive that I carry with me. So, at the end of each day at the office, ......