When Tim Cook and his executive team introduced the new iMac as part of their most recent media event, it was the redesigned form factor and the extremely thin profile that grabbed most of the attention. Granted, the new aesthetics of the soon-to-be released iMac is quite a staggering aesthetic transformation from the currently available model, but the more technical minded consumer chose to focus on the under-the-hood announcements that came out of the event, one of which was the new Fusion Drive.