Popular Mechanics: "The first would be the addition of a GPS antenna. I recently sat down with the president of a GPS navigation system manufacturer to ask him how he felt about the prospect of a GPS-enabled iPhone. "Scared [expletive]-less," he said. Hardly a rarity in the handset world, GPS functionality is already used by many carriers to sell location-based services and for Emergency 911 (or E911). And the iPhone already does rough location positioning by cross-referencing tower triangulation with a database of known Wi-Fi hot spots." - Yes, I want one.