In the market for an iPhone? Here's a breakdown of all the currently shipping iPhones from Apple.
G4 and Beyond
By this time next year three as yet unannounced versions of the G4 will dramatically boost internal bandwidth, support switched fabric interconnects, and will see the processor talk to memory at full bus speed, according to disclosures from Motorola sources.
Advances include RapidIO architechture, .13 micron process, MPX+, and up to a 14 stage pipeline.