Mac OS X 10.7 (Lion) will be available in the summer 2011 (See links below).
the Mac Os X 10.000 will come out this summer/fall (about). it will be called Lion.
News for you!! it came out 6 months ago.
It is predicted to come out summer 2011 but no official release date has been set yet.
Mac OS X 10.7 (Lion) was created by a team of programmers at Apple.
Mac "Lion" and Mac "Snow Leopard" refer to iterations of Apple's Mac OS X (operating system, version 10). "Lion" is the newest as of this writing, and is version 10.7, while "Snow Leopard" is its immediate predecessor, and is version 10.6.
Mac OS X Lion will be release some time in July of 2011. UPDATE: Mac OS X Lion will be released ONLY on the Mac App Store no DVD's on July 14th, 2011
Eat your mac
The latest is Mac OSx 10.8.3 Mountain Lion as of 3/18,2013.
well you nee mac osx lion so the new photo booth come with the update
If you buy one today 7/2012 it will come with OSx Lion. Wait until late July 2012 and you will get OSX Mountain Lion.
Mac OS X Lion is version 10.7
If the computer is running Mac OS Lion or higher we recommend the 2011 version.