Go Update and jailbreak your A5 device now !
'Absinthe A5' Brings First Untethered Jailbreak for iPhone 4S and iPad 2.
Download Absinthe A5:
(current greenpois0n site is down due to traffic/Database Error, so here's the mirror)
Download (Mac OS X) - direct link: absinthe-mac-0.2.zip (update)
Download – Windows absinthe-win-0.2.zip
Download – Linux (soon)