iPhone 3GS on left, possible fourth-generation iPhone on right
iPhone repair site iResQ has posted photos of what they claim to be parts of the fourth-generation iPhone. The most important part shown seems to be the front frame, which reportedly seems to be 1/4" larger than the current iPhone 3GS.
Also noted in the pictures of the front frame is a "reflective surface" located just above the earpiece slot on the device. It is not yet known what this will do or what it is for.
[...] lines up with a report that surfaced earlier that the iPhone will have a taller [...]