The Bottom Line: Intel Mac users will like Snow Leopard's smartly designed interface enhancements, and its Exchange support is a must-have (especially with Outlook for Mac on the way). With a ton of technological improvements, Snow Leopard is worth the $29 upgrade fee. Read review
Specs: Mac, Operating systems
The Bottom Line: The grace of Leopard's interface enhancements makes productivity more pleasurable with a Mac, as more than 300 functional and fun features top off this update. Read review
The Bottom Line: Though its new user features have mixed appeal, Tiger's technological changes and speed improvements make this an enticing upgrade, especially for those who passed on Panther. Read review
The Bottom Line: Panther adds new and useful features, but at the expense of some old standbys. Current Jaguar users need not apply. Read review
The Bottom Line: Take a good, hard look at Mac OS X 10.2 if you're adding a Mac to a Windows network--Jaguar's new tools can't be beat. But home users, beware the $129 upgrade price if you're not looking for networking options. Read review
Specs: Creativity, Mac
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