iBrickr

Well, we said we wouldn't be releasing news about a 1.1.3 jailbreak again until something concrete was available. That was just a few hours ago, and that something concrete is already here. Earlier this afternoon, notable iPhone hacker Nate True released instructions on his blog on how to jailbreak 1.1.3. Like the 1.1.2 jailbreak, this latest version requires that you start with an already jailbroken phone of an earlier version.

According to Nate True's blog on cre.ations.net, you can find complete the jailbreak by following these steps:

Don't let the name of iPhone hacker NateTrue's latest offering scare you away. Though you might think so from the name of it, "iBrickr" isn't designed to "brick" your iPhone. Instead, iBrickr is designed to provide easy-to-use, GUI-driven management of ringtones and third party applications for the iPhone.