Out with the old, and in with the new, as the saying goes - something Apple has obviously embraced, as they've turfed out the first generation iPhone, and replaced it with the 3G iPhone on their site. There's no mention of the previous model whatsoever, however we luckily knew all the specs anyway, so read on below for a comparison of the two phones...
2G: 115mm high, is 61mm wide and 11.6mm thick, weighs 135g.
3G: 115.5mm high, 62.1mm wide and 12.3mm thick, weighs 133g.
2G: 480 x 320 3.5" multi-touch display.
3G: 480 x 320 3.5" multi-touch display.
2G: 8GB and 16GB.
3G: 8GB and 16GB, with the latter available in both black and white.
2G: 2.0-megapixel camera.
3G: 2.0-megapixel camera, with geo-tagging and third-party application integration.
2G: Wi-Fi, Bluetooth.
3G: Wi-Fi, Bluetooth, 3G internet connectivity.
3G: Yes, assisted GPS.
2G: eight hours of talk time, up to 250 hours of standby, six hours of internet use, seven hours of video playback, and up to 24 hours of audio playback.
3G: up to five hours of talk time using 3G, or 10 hours using 2G, standby is 300 hours, five hours of 3G internet use and six hours of Wi-Fi internet use, seven hours of video playback and up to 24 hours of audio playback.