Macworld last week got a few secrets out of Tom Murray, Vice President of Market Development for TomTom. The meat of it was that the TomTom's Car kit wasn't just going to just be a dumb plastic car mount for the iPhone. The device will also have a dedicated speaker and GPS (and maybe some gyroscopes). We also know from the article that TomTom will download maps onto the device (no need for 3G/EDGE), albeit with an eye toward saving space.
iPhone owners will be able to purchase and use the TomTom software and maps without the Car Kit hardware accessory; however, the Car Kit for iPhone was designed to enhance the software by addressing several of the limitations mentioned above. For starters, the Car Kit includes a separate GPS r