The Difference between Vista Premium and Ultimate

Obviously, we all know that Premium is good, but Ultimate is better!
Here is the chart between the your two choice.(Basic and Business is not in this round.)

Premium

Ultimate

Features
Most secure Windows ever... Most secure Windows ever with Windows Defender and Windows Firewall
Quickly find what you need... Quickly find what you need with Instant Search and Windows Internet Explorer 7
Elegant Windows Aero experience... Elegant Windows Aero desktop experience includes glass-like menu bars, Windows Flip 3D, and Live Thumbnails
Best choice for laptops... Best choice for laptops through features like Windows Mobility Center and Tablet PC support
Share documents and collaborate... Share documents and collaborate with Windows Meeting Space
Use a secondary screen on your mobile PC... Use a secondary screen on your mobile PC or extend your display to other devices using Windows SideShow
All-in-one media center functionality... All-in-one media center functionality makes any room a media room using Windows Media Center and Media Center Extenders
Protect against hardware failure... Protect against hardware failure with Windows Complete PC Backup and Restore
Scan, fax, and receive documents and images... Scan, fax, and receive documents and images with Windows Fax and Scan
Automatically back up your files... Automatically back up your files with Scheduled Backup
Remotely access your business resources... Remotely access your business resources and applications with Remote Desktop Connection
Easier networking connectivity... Easier networking connectivity helps you stay connected wherever and whenever you like with the Network and Sharing Center
Better protect your data against loss... Better protect your data against loss with Windows BitLocker Drive Encryption
Easily make DVDs... Easily make DVDs with Windows DVD Maker
Have more fun on your PC... Have more fun on your PC with three new premium games: Chess Titans, Mahjong Titans, and InkBall
Create high-definition movies... Create high-definition (HD) movies with Windows Movie Maker in HD
Additional programs and features... Add to your Windows experience with Windows Ultimate Extras