I have been using a Tomtom GPS and Waze but find Waze to be more up to date and detailed that any other commercial handheld GPS. If would be nice to have a handheld Waze GPS(with a sim card) or connected to your smartphone via bluetooth !! I know that most users use the Waze app on their own smartphone but I find the battery does not last this long and temperature plays a big role on the phones in the sun. I'm sure there will be a lot of members that will want a handheld GPS like a 5" or 6" and where they can report all problems with the press of a button like the app!! Have you ever considered manufacturing a Waze GPS? I feel this will be a excellent product to bring onto the market. This is just my opinion. Will be nice to hear what other users will think? I stay in South Africa!