After Installing Windows 7 Ultimate with an upgrade process from Vista. i can tell that at the first look , all went great , while choosing to go online and find drivers for my devices.
After installation finished i was extremly surprised from the Clean migratinon and upgrade of ALL the programs and features that were migrated to my new Windows 7.

I must mention here that the hardware is : Dell Studio 15 Laptop with 4GB memory .
At the bottom  im joining a faster operating system , great compatibilty to the hardware and programs that working great on the new windows 7.
Programs i am using include : Office 2003, Photochop CS4, Photoshop CS ME edittion  , Macromedia flash 8 , Zend Development studio, CutePDF, Nero 8,iTunes.