I've owned a lot of headlamps since the late 1970's and can recommend them. They free your hands for other work and shine where you're looking. Some of the best are made by Petzl, Black Diamond and Princeton Tec. All of the ones I have now are the latter brand and all are waterproof.
There are two minor problems in using headlamps; they shine in the eyes of people you talk to and because they are so close to your eyes, the shadows thrown by objects you look at are very short leading to some difficulty in depth perception. The solution to the conversation problem is just a matter of experience and having an auxilliary light available to light faces indirectly when needed. The depth perception issue usually only becomes acute in very complex terrain and/or at high speed and is negated by having another light mounted away from your head. I use another headlamp on the belt of my pack.