In the market for an iPhone? Here's a breakdown of all the currently shipping iPhones from Apple.
The good news is that the top end model could eclipse even the 1022 MHz PowerBook G4 mules in testing now. G4 silicon running as fast as 1200 MHz (1.2 GHz) has been spotted in the titanium enclosure
They also report the new motherboards and built-in bluetooth will be featured... with OS X-only support. No time-frame is given, but if these follow Apple's OS X-Only timeline, it would be expected after Jan 2003.