I have a Nitecore P36, actually two of them, which I like very much. Just for curiosity I checked out the deal at battery junction and I found much better deals elsewhere even with the 25% off. It always pays to shop around.
They do appear to have the best price on Nitecore RCR123s, tho.
"America is at that awkward stage. It's too late to work within the system,,,, but too early to shoot the bastards." -- Claire Wolfe "If we let things terrify us, life will not be worth living." -- Seneca the Younger, Roman Stoic philosopher
use LAB25 at battery junction. 
