I've been using a Streamlight headlamp for awhile now and really like it. Can't recall the model but it was about $28 from LAPoliceGear.com (no affiliation, just took advantage of a 15% off weekend sale a couple months back). It's very bright, supposedly waterproof and really comfortable. Time will tell how it holds up but so far so good. It does take CR123A batteries- that's a plus for me but may not be for everyone.
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman