We have post untethered jailbreak Greenpois0n will be available in anytime in next month, and today there is picture to prove it,. It 'just been published by MuscleNerd a screenshot which shows a very first preliminary Jailbreak iPhone 4S!
As MuscleNerd says there is still much the same work to do before a release to the public but the news is really good and gives us hope. We will keep you updated!