Microsoft is out this week with an all new mail service, Outlook.com. Available for new registration here, or as an upgrade for Hotmail users, it adopts the new metro design interface, features less obtrusive ads, and is integrated with Skype. Additionally, you receive free Word, Excel, and PowerPoint web apps, 7GB of free cloud storage with SkyDrive to share photos, videos, and attachments. Further, you can sync it with Facebook and Twitter to see your friends’ status updates and Tweets directly in you inbox. Video overview and more info here.