Cheaper option - I've used variations of these for a while. Deceptively bright - got flashed by a car last week thinking I was a motorbike with full beam lights on. Charge over USB which I find handy too. http://www.amazon.co.uk/Lezyne-Micro-Drive-Front-Light/dp/B008R5PFGE/ref=sr_1_3?ie=UTF8&qid=1425421191&sr=8-3&keywords=bike+lights+lezyne They light up the road enough in most circumstances but wouldn't bomb through a dark wood relying on them.