The new transition from hotmail to outlook brings all new intuitive interface and charm, maybe Microsoft wants everything in Window 8 metro style. Microsoft says outlook is their modern email platform. The new and improved inbox and clutter free design is very appealing, and fits right into Windows 8 touch-based UI category.
Outlook with its new clutter free intuitive seek look and touch based interface will bring in more customers back to Microsfot.
Microsoft claims Outlook as the next generation communication service with integrated messaging (conversations or IMs), perfect for touch based devices and seek. The email below is the welcome to outlook.com from Microsoft themselves.