I'm tired of having to cut my rides short so that I get back home before I get stuck in the dark. I thougth of getting one of those 10 watt lighting systems for my bike, but they were at least 100 bucks, about 3 times my budget. So, I found a flashlight that puts out the same (roughly) amount of light at 8 watts and mounted it to my handlebar. It was only after testing that I realized how well it works. The Princeton Tec Surge light run for 5 hours at 7.5 watts, cost 35 bucks delieverd from ebay, and puts out a bright and even beam 100 feet in front of you. It's waterproof and mountes to your handlebars with two cheap hose clamps and some thin rubber gasket material. I'm gonna go out tonight at get some photos and post them if y'all want them. It's on the light side of things too, weighing only slightly more than the 8 AA batteries it uses. No one I know rides for speed at night, so you just want something reliable to get you back home, and I think this is a better way than throwing down some bigger dough for a purpose built lighting system.