Like so many posting on this forum, I anticpated ML and Airplay for ages, checking every day to see when ML would be available. I was delighted that it was finally available today, but my hopes for streaming video to my ATV turned to dust when I couldn't find the Airplay icon and instead found this page, troubleshooting on the internet.
Even if the limitation was buried in the fine print, it's just not good enough. It is such a crucial limitation to the functionality of the OS that purchasers should have been specifically alerted to this before downloading. I am hoping for a fix or a refund. But if neither is forthcoming, it's such a weasly marketing con, that Windows 8 suddenly appears a contender for the next upgrade.
To say I feel disappointed and sorely let down barely covers it. My expectation of Apple service is elelvated based on many years of contented use. Apple has lost its halo for me today and is now just a company (mis)selling computers and software.