Woah, didn't see this coming. 10.8 Mountain Lion will be out in the summer! Details: http://www.theverge.com/2012/2/16/2801047/mac-os-x-10-8-mountain-lion-preview-photos-video Highlights: Notification Center, AirPlay mirroring, iMessage, Game Center, Twitter integration, further changes to iCloud including ability to store and access documents directly, Gatekeeper service allowing trusted developers to sign an app and distribute outside of the app store. One More Thing: OS X Updates yearly from now on! Update: Official announcement up on Apple's site: http://www.apple.com/macosx/mountain-lion/ The new beta version of the Mountain Lion messages app is available for download if you have 10.7.3: http://www.apple.com/macosx/mountain-lion/messages-beta/ Just for giggles here's a list of articles from around t'interweb that I've found so far: http://daringfireball.net/2012/02/mountain_lion http://www.engadget.com/2012/02/16/apple-os-x-mountain-lion-10-8-in-depth-preview/ http://www.tuaw.com/2012/02/16/apple-previews-mountain-lion-next-version-of-mac-os-x/ http://www.macworld.com/article/165407/2012/02/hands_on_with_apples_new_os_x_mountain_lion.html This is real folks, it's far enough along to give to the tech sites to do in-depth previews and developer previews go live today. Summer (albeit probably late summer) seems very achievable based on what's out there so far.