There's an interesting article on TechRadar for those users that haven't tried Windows 7 and are still using Vista. It highlights some of the visual and application differences between the two (but not the performance benefits):
You can read the whole thing here.From Windows 3.1 to Windows Vista, the Windows operating system has taken many giant leaps. And while Vista received a lukewarm reception from some users, Windows 7 is likely to be remembered for addressing those criticisms.
In fact, there aren't many changes to the overall look of Windows 7 when compared to Windows Vista. Instead, Microsoft seems to have paid attention to the feedback it received and created an OS that is not only stable, but also very capable.
So what is new in Windows 7? Here are 18 cool things Windows 7 does that Vista doesn't.