Awesome changes for the users of the Hotmail/Live.com… Check out Outlook.com or OutlookPreview.com:

Meet Outlook.com Preview

Outlook.com is a preview of a free, modern cloud email service from Microsoft. It has a familiar name and a fresh, modern design. Outlook.com makes your email richer by connecting to Facebook and Twitter and helps you be productive with Office and SkyDrive. Because email is personal, Outlook also helps keep you in control of your private data.