The 'Dream Team' of hackers have just released their untethered jailbreak for the iPhone 4S and the iPad 2.
The ridiculously complex combination of exploits-within-exploits that make this iOS jailbreak possible have consumed thousands of hours of brain-power & effort from a legion of world-renowned hackers, several of whom have been working diligently on this project since the dual-core A5 processor was unveiled by Apple last March. Ten months ago, I myself was live tweeting from a tediously long line at the nearest Apple retail store, where I anxiously waited to become one of the world's first owners (& hackers) of the newly-released iPad 2.
The initial release is currently for Mac OS X only but Windows is coming soon!
We are already working on the tutorials, and they should be posted soon!