I have a couple of the little Fenix P2D Premium Q5 lights and they have been great as a "jack of all trades". They've survived some significant abuse and emerged no worse for wear.

I've been wanting an updated headlamp and that new Surefire model that Dagny posted sure looks promising.
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"There is not a man of us who does not at times need a helping hand to be stretched out to him, and then shame upon him who will not stretch out the helping hand to his brother." -Theodore Roosevelt