The rumors have an end. The new iPhone 2009 is official and it is indeed called iPhone 3GS.
The new iPhone 3GS supports HSDPA and is 2 times faster than the current iPhone 3G says Apple. Update: iPhone 3G S details and pre-order
The camera of the new iPhone 3GS has a 3MP resolution. There will be no front facing camera.
More details developing on Engadget. The official press-release of the iPhone 3GS will be out soon and we will update you with all the details. Update: New iPhone 3GS ships on June 19th already. The current 8GB iPhone 3G will now be sold for only $99.