Apple will release its upcoming Mac OS X 10.7 Lion with the Mac App Store being the primary distribution channel, reports AppleInsider.

Apple has pushed out an updated Developer Preview of Mac OS X 10.7 Lion. This update is required to redeem downloads of Mac OS X Lion seed builds from the Mac App Store.

As soon as Apple released an early version of Mac OS X 10.7 Lion to developers it was only a matter of time, and now the disk image is being shared by a good few thousand users on various Torrent sites.

Not a registered Mac developer but still want to see some of the new features of OS X 10.7 Lion in action? The guys over at RazorianFly have spied a couple of YouTube videos of the new developer build, running on what appears to be some sort of MacBook Pro.

Apple today has released the very first developer preview version of Mac OS X 10.7 Lion. Announced back in October last year, Lion and is a significant update to OS X, bringing a lot of iOS features that work so well on iPod touch, iPhone and iPad to the desktop OS X.

So you thought iPad 2 was the only real deal for the first half of 2011? Think again as new rumors are just in for more Apple devices getting a revision next year.

Apple CEO Steve Jobs, at the Back to the Mac event, has just announced Mac OS X 10.7. It will be called Lion and is a significant update to OS X.