First this GPS has a color screen, that is what the C in HCx stands for, second, you are far better off with an inexpensive mechanical compass than the electronic compass in a GPS device. It is always calibrated, and it never runs out of batteries. If you are hiking in mountainous territory a altimeter may help, but you always get an altitude estimate with any GPS device, especially if you have contour maps loaded. - So think twice before you spend the extra bucks for a "better model". For what it does the Legend HCx is the equal of devices that cost twice the price.