No Unlock for iphone 3GS,3G or 2G yet, but jailbreak is already released (Spirit)

Finally some good news for iphone owners. A jailbreaking tool has been released today.
Very much wanted Spirit jailbreak has been released for download today, and you can jailbreak your iphone with some simple steps.
But this is half news for some, because many of you upgraded your iphone to 3.1.3 firmware, those loosing your unlock. Rumours say very soon will be released a new unlock tool for 3.1.3, so you will need some patience.