I posted this in the other thread and figured it may help here just for reference.
The m600 is getting a bump to 250 lumens while the m300a mini scout is getting a bump to 170 or 200 lumens. In addition, by February there will a 500 lumen scout head available.
It's amazing how far we've come. Not long ago the advertising was "60 lumens of blinding light".
Proven combat techniques may not be flashy and may require a bit more physical effort on the part of the shooter. Further, they may not win competition matches, but they will help ensure your survival in a shooting or gunfight on the street. ~ Paul Howe