"In the Q3 2012 press release, Apple has confirmed that OS X Mountain Lion is launching tomorrow, July 25th. The OS will be available on the Mac App Store at $19.99."
As everyone on Twitter is saying — start your backups.
Oh, and prepare your Instapaper queue also. Aside from Siracusa and Viticci, I can already think of a couple more who will be posting epic reviews1.
Not me. ↩