Thanks for all the info. You have me rethinking my light. I hadn't thought of the water-resistant/tested to a standard aspect, and since I live in Seattle, I should have. I done a bit more research on lights with the SSC P7 or the CREE MC-E LEDs, but since they emit more light they also draw more current and looks like they tend to be bigger lights. A 2-AA sized flashlight seems like the upper limit to what I want mounted on my handle bars. Can anyone suggest a specific P7 or MC-E "small-ish" sized flashlight? I have had a Fenix E20 for a few years now that I use around the house and yard. It's a great light and of has a high quality of construction. I don't think I would use as a bike headlight, since the beam is pretty narrow, but it has me considering the LD20. Those of you with a Fenix LD20, what would you recommend as a maximum speed on a paved trail at night with little to no lighting?
Thanks again,
- Matt