4 of 15Image
Windows 8 will allow you to buy additional features, like Media Center and DVD playback, online. In the RP all you can do is install Media Center, using a code from the Windows 8 preview web site. The final version of the wizard will include payment tools.
IE10's Metro style view is big and bold, and uncluttered. It's an approach that Microsoft is bringing to many of its other properties, including a new look and feel for its Bing search engine.
If you're using the Windows Mail application with an Exchange server you'll need to accept the server's EAS (Exchange ActiveSync) security policies before you can synchronise your mail. You'll find EAS increasingly important in Windows 8, as it's the backbone of Microsoft's BYOD support for WinRT.