The Good, Bad and Ugly Bits of Windows 7 RC

Microsoft is letting the world take a prerelease version of its next operating system for a test drive, and opinions range from delighted to disgusted. Some users -- even a few who consider themselves Mac fans -- have said they're impressed. Others have said the RC has soured them on PCs in general. Also, a security firm has noted the presence of what it says is a persistent Windows problem..