I have an idea and I'm new to the hobby and forum. There has to be a way to have GPRS wireless internet update GPS course in realtime. I always get stuck in traffic and manualy have to replot course in traffic. (I have GPRS on my cell phone and im trying to find a USB powered modem instead of the phones IR. There might be a PCMCIA-USB type II card readers, have not found one yet. I dont have a PCI slot for a PCMCIA adapter.) The only way I can think of making this happen is to find a GPS program that would connect to internet and include rush-hour traffic in the fastest or shortest course.