$119 to upgrade and $199 for a full copy of Windows 7 Home Premium. How do users like it?
"It still pops up that stupid box asking for administrator rights but at least now it doesn't take about 5 seconds to dim the screen!" so says Phil in this article about Windows 7.
The upgrade to Mac OS 10.6 isn't $119, it is $29 list and $25 on Amazon.