The launch comes exactly when we predicted, the day after Apples July earnings call. Users of MacBooks, iMacs and Macs will be able to upgrade to Mountain Lion via the App Store for £13.99 when it becomes available today. See also: Apple Advisor.
Tim Cook, CEO of Apple said yesterday: "We’ve also just updated the entire MacBook line, will release Mountain Lion tomorrow and will be launching iOS 6 this Fall. We are also really looking forward to the amazing new products we’ve got in the pipeline."
See also: Mountain Lion: What you need to know.
Mountain Lion adds over 200 new features for Mac users including new applications like Messages, Notes, Reminders, Power Nap and Gatekeeper. It's worth noting that only customers currently running OS X Snow Leopard or Lion can upgrade.
Keep your eyes fixed on the Apple Store for when Mountain Lion becomes available.