Everything you ever wanted to know about flashlights.
http://www.candlepowerforums.com/vb/...splay.php?f=45
BTW if you sign up you can us the code CPF8 and get a 8% discount from anything from the 4Sevens Store.
Like beer, lifes too short to buy "cheap" flashlights.
Surefire and some of the supposed tactical lights are overpriced and underpowered for what you pay.