This is a great idea for a thread.
Too often these headlight discussions get superwonky very quickly. I appreciate all the engineers who visit BF and can run the lumens analysis on various lights. But I don't even know what that sentence means, actually. Can't somebody just tell me what's durable, bright, compact, easily powered, etc.? Obviously, you're not going to get all that for $100.
I can tell you that the Blackburn I use is a bit big for my liking, but I think it makes me visible in the city.
And for about $25 or $30, it's great.
But it doesn't compare to JYosarrian's headlamp; if you need a light to see the road by, I'd choose his. Whatever it is.