Mac OS X Lion Reviews Completes From Around the Web

Mac OS X Lion, Apple's eight major operating system upgrade, is now available for download from the Mac App Store. (And if you have a really slow connection, come August, you can pick up a flash drive from an Apple store for $69.99.)

It's got more than 250 new features, including major changes in its interface that make certain actions easier. Add to the list: FaceTime video chatting,