Hey Old4570 I got my NiteCore EX10 SP from Boaz as well and i'm not being picky or anything but you have made a mistake in the discription. I assume you copied from NiteCore without reading for yourself but this part is incorrect "Unique Infinitely Variable Digital-controlled Brightness System; Quick direct access min & max brightness" The EX10 Smart PD has low, medium, and high...not Infinitely Variable and there is quick access to strobe and SOS Not min and max modes.
I just wanted to type out the difference so people that don't own this light can see the difference. (I know you obiviously know the difference)
Other than that little boo boo great review as always. I really like mine alot and like you said a wee bit of tweaking to get the piston tension how you prefer it and just be careful with unprotected RCR123's and all is good.