So here's some good news: The Chronic Dev Team has released the untethered jailbreak tools for all of the post-A4 Apple devices. That means your iPhone 4S, 2012 iPad, iPad 2, and other, older devices can be jailbroken without having to boot into "tethered" mode (connecting to your computer) every time you restart.
Untethered jailbreaks are much more convenient, but also take longer to code after a release. Further, the newer devices like the iPad 2 and 2012 model, and the iPhone 4S, do not have the same hardware defect that allows super fast tethered cracks for older devices. That means folks with newer phones and tablets have to wait longer for their jailbreaks.
As always, back up your phone and data before moving to a new jailbreak. Full instructions for the process can be found at [Redmond Pie].