Sprint will begin selling its Overdrive wireless WiMax router on January 10th, allowing users to connect Wi-Fi devices to its WiMax network. The Overdrive will allow users to connect up to 5 Wi-Fi enabled devices. The Overdrive device will set you back $100 with a 2-year contract of $60/month. With that, you’ll get unlimited data over Sprint’s WiMax network and 5GB of data over the 3G network. Will you be giving this and WiMax and go on January 10th?