Sony offers two GPS devices, the NV-U72T and NV-U52. Both of them have a 3.5-inch LCD display and you can draw on the screen your route and it will then guide you through.
The Sony NV-U72T has 2GB internal memory and NV-U52 has 512MB. Both of them support Memory Stick for memory expansion.
Sony NV-U72T, NV-U52 GPS devices
