My clean install took approx.. 50 minutes on a 1.5 TB Hdd.
I didn’t notice any hiccups besides it seemed like it kept “Updating & preparing your server” & then restarting, a lot.
After installing the Connector software there is 3 added PC desktop shortcuts.
Reading the “Getting Started Guide” there appears to many new features besides being based on Windows Server® 2008 R2, as Daniel mentioned above.
*Here are a few things it talks about:
Remote Access is now based on Silverlight®
Ex: Remote streaming of your media through the Internet so you can access your multimedia virtually anywhere, anytime you’re online.
Backup the Backups
Drive Extender Enhancements
The Dashboard, Launchpad, and Extensibility