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: