Mac author and troubleshooting expert Ted Landau discusses the changes and possible problems and fixes for OS 10.8 Mountain Lion. Michael Prospero, Reviews Editor for Laptop magazine, presents a preliminary "smackdown" of Microsoft's Windows 8 versus Apple's Mountain Apple. Author and commentator Kirk McElhearn, Macworld's "iTunes Guy," talks about an unannounced new feature of Mountain, some possible bugs, and ongoing iTunes music download issues.