The one thing the OP should take from this, is that there is no holy grail of flashlights.. It is a fast evolving technology, has been for a few years.. If you really want something that will be a keeper, you can pay someone to modify you a p7 flashlight or something similar, but some of the better mods run $200-300.. You can find more info on what is happening at this website

http://www.candlepowerforums.com/vb/