What brand of cr123's do you put in your 2 cell cree lights?

Ok, I have looked at all the great charts in the battery section of cpf, but to my unscientific brain, I still have no idea what the best batts for my C2 and Huntlight would be. I have easy access to Streamlight and Surefire 123's from Sportsman's Warehouse for $2 apiece. Or I can get Tenergy's for less than $1 apiece from Batteryjunction.

Cree's are pretty efficient, does it really make a huge difference what I buy? Thanks for your input...I am choosing not to use rechargables in these lights for now because I want the flat regulation at 100% that the 18...s won't give me, but I do not want the instant shut off that rcr123's will.

Thanks for your help.

I put surefire My friend sells them to me at $1.25 no tax

I use BS in my U2 with regulation it helps to take worry off destruction. (not that I am terribly afraid anyways.)

I currently use Surefire but I've just about exhausted my current home supply.
I think I might give Titanium a chance next...