The iPhone-Dev Team has updated Pwnage Tool to support the 2.0.1 firmware. You can now enjoy the new firmware which fixes many bug fixes. There is only a jailbreak available for the 3G iPhone still and NO UNLOCK. You can update to the latest version by selection check for updates from with in Pwnage Tool 2.0.1. Happy Pwning!
WinPwn will be updated soon!