iPhone Firmware 2.0 Is Out Now!
The iPhone 2.0 Firmware has been found available on Apples Servers for direct download.
You can download it here
This build is slightly higher than the last Beta (5A345) which was spotted on shipping iPhone 3Gs. The actual firmware has not yet been released officially. As well, the firmware carriers a "1,2" designation while all previous firmwares, including the beta firmwares carried a "1,1" number.