Jailbreak and carrier unlock for latest Apple iPhone 3G S seems to be here, the famous iPhone Dev Team has now released an video demo displaying successful carrier unlocking on official 3.0 firmware which means it should be able to unlock iPhone 3G S which comes pre-loaded with same operating-system version, the DevTeam has decided not to reveal the exploit named UltraSn0w until iPhone 3G S finally hits the stores tomorrow.
The iPhone Dev Team also announced that official updated versions of PwnageTool and QuickPwn working with iTunes 8.2 for jailbreaking iPhone 3.0 firmware are under development and will get released soon.