http://www.cnet.com/ is one the most reliable sources on the Internet for hi-tech information.
In the following video, Seth Rosenblatt, Senior Associate Editor with Cnet.com takes a good look at Windows 7.
If you are looking for a new computer, you will be happy to know that the next version of Windows (Version 7) does away with much of the issues experienced in Vista. Also, compared to Vista, Windows 7 reported: runs faster, is more stable, and supports legacy hardware and software better.