How do You Jailbreak the new 3.0 Firmware from apple this is the trending topic on the net after the new OS has been released so here is the answer for it.
Dev-Team has already claimed to have jail broken the new OS iPhone 3.0, if what they say is to be trusted we can now upload to the new Firmware and still Jailbreak the iPhone with all the features of the 3.0 to be enjoyed.
The new Unlock is called the ultrasnOw which follows the yellowsnOw.
This will allow all the jailbroken iPhones to use the new firmware and still have the advantage of the jailbroken features.

