Eagletac. Absolutely nobody does it better.. I am in a field that uses and abuses flashlights, and I have tried them all. Nitecore, Surefire, Streamlight, 4/7's, Fenix... even Overready and some other custom builds etc etc. I even custom build P60 drop-ins which will scream like no other, but if pressed to recommend a light will swing the Eagletac line.
Eagletac lights are built like a tank, have the highest output of the field in most cases, and their customer service is bar none. I currently carry a D25C Clicky for EDC duty, and a T200C2 on duty. The T200 doesn't have any gimmicky output ranges, no strobes, no weird useless SOS modes. Just straight up and easy to dial High, Med and Low. Low is great for the creep around, and the High will absolutely knock someone off their feet. It also has a beautiful beam profile, with a tight and long throwing center spot and great spill that runs out in a nice cone.
I have gone hand to hand and used my old T10C2 as an impact weapon, and done glass breaking duty with it. No worries, fired right up without even a flicker afterward. Nice o-ring seals, and nice thread lockup are two other traits that keep me coming back. Also, their Sportac P60's are great too for your Surefire 6p's and the like... Of course, if you want a 5a 1200 lumen screamer, drop me a line...
Now, if you just have to have cool... nothing beats a maratac AAA in copper. If and when they are in stock... Just pure class with an output that will surely satisfy on a single AAA...
Eric
aka GTi474 on CPF...