Sony released today the US version of the Firmware 2.0 Sony PSP update.

After delays Sony finally published the official firmware 2.0 update for the American Sony PSP. The firmware 2.0 update for the Japanese Sony PSP firmware update was already released on July 27th. The Japanese Firmware 2.0 was also working on the US Sony PSP. Now there are no warranty issues updating and the instructions are in English.
Download it here (Thanks Charles Y.) and start browsing the web.
The Firmware 2.0 was already briefly available yesterday when people found the staging site and also guessed the password for it. It was later blocked again.

To see the Sony PSP Firmware 2.0 in action see this report.