Summary: Though it's not a complete system or interface overhaul, Mountain Lion's improved core apps and new features make it well worth the $19.99 price.
Pros: Mac OS X 10.8 Mountain Lion's new iCloud integration and syncing features give you the same experience on all your devices. Upgrades to several core apps bring new and useful features for sharing and social connectivity.
Cons: Game Center, while finally available for Mac, still only has basic features. Dictation sends your voice to be translated at Apple servers, so you can't use it while offline. Gatekeeper keeps you from downloading unsafe programs, but it seems mostly unnecessary.
Excerpt: The Good Greatly improved multi-touch awareness. Mission Control better at sorting clutter than pure Expos�. Launchpad exposes apps to newcomers. More accessible but still capable Mail interface. Auto-save and resume. FaceTime and Mac App Store already loaded. Quick install process. Potential of iCloud. Low $30 upgrade price. Key improvements to FileVault, Safari, Time Machine. The Bad Launchpad slightly overwhelming and limited.
Pros: Greatly improved multi-touch awareness., Mission Control better at sorting clutter than pure Expos�., Launchpad exposes apps to newcomers., More accessible but still capable Mail interface., Auto-save and resume., FaceTime and Mac App Store already loaded., Quick install process., Potential of iCloud., Low $30 upgrade price., Key improvements to FileVault, Safari, Time Machine.
Cons: Launchpad slightly overwhelming and limited., Mail not as good at coping with large daily message counts., No straightforward way to make a Lion install disc or drive., Dodgy Address Book and iCal visual changes., No built-in Java; no Rosetta at all., May face a tough challenge from Windows 8, whenever it ships.
Excerpt: Apple's Lion operating system was originally launched in June as Mac OS X Lion v10.7.1, but has been upgraded this month to version 10.7.2, adding many new features, and also updating the OS with a host of security improvements. This is the eighth iteration of Mac OS X. The OS release before Lion was Snow Leopard (v10.6) [see picture].
Conclusion: If you own a Mac for £21 this is a no brainer and Apple know that. It’s not the Microsoft approach of charging you £200 for an operating system that makes you think about upgrading, it’s the Apple approach of getting to you change the way you use your computer and then you’ll be more prone to future ideas and future products like the iPad, or a new MacBook Air with a big shiny touchpad for all those gestures.
Pros: Cheap, full screen apps, new Mail
Cons: Mission Control, Launchpad, not all features work with all apps at the moment