Last month at WWDC, Apple promised that consumers would be able to get their grubby paws on Mountain Lion come July. It looks like the latest version of OS X is one step closer to being fully-baked, with seeds of the Gold Master hitting the company's developer download site today. The operating system upgrade will run you $20 when it's ready for us non-developers. In the meantime, here's a hands-on with the beta version of the OS.
Apple OS X Yosemite