Sn0wbreeze 2.3b2 was released by the iPhone Developer, iH8sn0w. This tool can be used to jailbreak iOS 4.3 on iPhone, iPod Touch and iPad. Sn0wbreeze 2.3b2 Features

iPod Touch 4G on iOS 4.3 GM can be jailbroken. We also shared Jailbreak iPhone 4 on iOS 4.3 GM as well. The good news is you can also Jailbreak iPod Touch 4G running on iOS 4.3 GM firmware! Make sure you backup all your data before you proceed further. It is a tethered Jailbreak. [...]

iPhone 4 running on iOS 4.3 GM can be jailbroken. After the release of The iOS 4.3 GM build, @jcf_dev and @msft_guy have been able to Jailbreak iPhone 4 on iOS 4.3 GM. You could use iOS 4.3 GM IPSW to restore it. The above jailbreak is tethered jailbreak. Do take backup before proceeding further [...]

iPad 2 was recently released by Apple. It will run on a new iOS 4.3. The next big question that arises on iPad users mind is Can there be Jailbreak for iPad 2 running on iOS 4.3 ?.

You can get iOS 4.3 untethered jailbreak if you preserve the iOS 4.2.1 iPSW and SHSH. Comex was planing to release untethered jailbreak tool for iOS 4.2.1 but failed to do so and was provided through redsn0w 0.9.7. But, the above method needed 4.2 b3 hashes to achieve untethered jailbreak. As the below tweet conversations [...]