Windows 7: An impressive upgrade

If you’re running Windows Vista and gritting your teeth over it, you should upgrade as soon as possible. The relief will be immediate.

If you’re shopping for a new PC, get one with Windows 7 on it. And if it doesn’t run properly on Day 1, return it and find another. OEMs that do a good job of matching PC hardware to Windows should be rewarded. Those who didn’t learn from the Vista experience deserve to be punished.

If you’re perfectly happy with the performance of XP and don’t want to relearn established habits, stay put.

For anyone relying on mission-critical Windows-based apps or specialized hardware, testing trumps any desire to have the latest OS, no matter how well it’s been reviewed.
Windows 7: An impressive upgrade | Ed Bott’s Microsoft Report | ZDNet.com

What Microsoft won't tell you about Windows 7 licensing | Ed Bott’s Microsoft Report | ZDNet.com