The latest rumor concerning a 3G iPhone comes from TGDaily which cites “industry sources” for their information.
Their sources claim the 3G iPhone will be released at the WWDC conference in June in 2 or 3 possible variants. An 8GB model for $399 and a 16GB model for $499, with a possible 32GB model at $599. They also claim it will be slightly thinner and a less “plasticky” design.
They admit they do not normally receive information on Apple products and are not sure if it is an intentional leak or Apple not being able to control leaks as well as they used to.
Now we just have to wait 60 days to find out if, they are correct or until something else breaks.