Came across this in my travels (not my auction). Thought it might be of some interest. Kinda neat...
http://cgi.ebay.com/ws/eBayISAPI.dll...176721956&rd=1
Project speed on to your Windscreen (Miles or Km)
Plug-and-Play No Professional Installation Required HUD System
speed warning function which can be set up by user
The totally wireless GPS receiver offers improved performance and enhanced power saving features
3D capture in less than 60 seconds, and many more advanced features. This one has it all.
Auto turn off if it's in the same position for 5 mines
Keep it in the glove box, under the seat, or anywhere else you want and still maintain an accurate lock with GPS satellites. Bluetooth technology gives you complete freedom from wires.
Fully compatible with Bluetooth-enabled Pocket PCs, Laptops and Tablet PCs