You're about to spend US$19.99 on Mountain Lion and want to know how long it will take to update your Mac. Fortunately, the folks at Tekserve have updated several machines and shared the results.
The New York-based company keeps several demo machines running on its sales floor for customers to try, including laptops and desktops. The team recently updated every last one to Mountain Lion (we assume they were on the latest version of Lion previously). Note what a difference SSD made in the chart below:
Apple servers are very busy today, as the company is distributing new Mac versions of iPhoto, iMovie, Safari and iWork in addition to the OS. Our readers have reported a range of download times from one to three hours. The Mountain Lion installer is 4.05 GB in size.
All this means you should set some time aside and get comfortable. Tell us how it goes.