I have had great luck from dealextreme.com for flashlights.
They are in Hong Kong, so it takes 3-4 wees to get your stuff, but shipping is free and there is no minimum order. Really great lights cheap.
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For educational purposes only, do not try this at home. Not intended to be a substitute for professional advice. For external use only. If rash, develops, discontinue use. Your mileage may vary.