Okay orignally i wanted a Surefire 6p with a KL5 (5 watt LED) upgrade. I wanted to go LED cause it claimed an hour of 100 lumen light ( http://www.surefire.com/maxexp/main.../1168/sesent/00 ), and then 3 hours of "usefull" light. However, when I was researching I found that a lot of companies...