The Tom-Tom one, is a great device when it comes to portability and ease of use. Starting from the outside it's the perfect size to carry it around in the palm of your hand ,especially if your into new outdoor crazes like GEO-Caching, also very handy when you have a carry pouch. When it comes to actual use of the device, let's start at touch screen , pretty responsive, and tough , i gave it lots of finger jabbing to make sure it was the one i took home, easy to set destination points, and very customizable with icons and sounds and celebrity voices,simple choices and user interface but close...