We have released a detailed tutorial on how to jailbreak the GM developer build of iOS 4.3. Yesterday, Apple seeded the final developer build of iOS 4.3, and the public release of 4.3 will take place on March 11th.
People are wondering if Apple has patched the current jailbreak exploits in their latest version of iOS. Because the iPad 2 runs on different hardware, it will almost definitely need a new exploit for an untethered jailbreak. As far as the iPhone and iPod goes, we'll keep you updated...