Tank: We use the Princeton Tec, 4 mode LED headlamp. about $35.00 at REI. great light, very bright, has low, med, high, and flashing mode. This headlamp gives off a very bright white light. About 60 hrs. burn time on high. When we trail walk the light is so bright we usually use it on low or med, never had to use the high beam unless looking off into the distance etc. Most good quality headlamps these days give off a white light. The older technology LED's give off a blue light.
If you want a great hand held LED try the Princenton TEC IMPACT XL, 100 hrs. burn time with great power and bright white light.
REI,$35.00.
Both are great backcountry LED flashlights. They are a little pricy but you only need to purchase them one time...they last forever, high quality LED flashlights.
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