Ok it’s official. Apple representatves confirmed that the Nike+ integration only works with the new iPod Toch 2G. The iPhone and the iPhone 3G and the iPod Touch 1st Gen will not receive support for Nike+ as of yet. It has also been confirmed by Apple that the connector dongle will still not work on the iPhone and/or first gen iPod Touch.
» No Nike+ suport for iPhone 2G/3G or iPod Toch 1G