- Full Image-based Backups of Windows 7 PCs. After the Windows Home Server Connector is installed on your Windows 7 PCs, Action Center should no longer display that your files are not being backed up.
- Windows 7 Libraries Support. Music, Photos and Videos shared folders from your Windows Home Server will be added to Windows 7 Libraries. Content saved to these shared folders will be able to be quickly accessed through your Windows 7 Libraries. And any application, like Windows Media Player and Windows Media Center, will be able to access content saved on your Windows Home Server through Libraries as well.
- Windows Search 4 is now included. With Windows Search 4, PP3 offers improved query search times, indexing times and reliability. Easy search through a Library in Windows 7 with files stored in multiple locations.
- Windows Media Center Enhancements. Archive old recorded TV shows onto your Windows Home Server in a variety of formats. Use Console Quick View to see statistics about your Windows Home Server through Windows Media Center.
If you are interested in testing the Power Pack 3 beta then you can sign up at Microsoft's connect site. More information on Power Pack 3 is available at the Windows Home Server team blog.