I also have the Nano on the H-Priv and must say only happiness so far. Just check the wicking when you start building yourself, it likes a tight squeez in those wick holes.
@Morne Delport, I saw the same with mine a few times when I originally got it. Here's a bit of a story.
I originally used a joyetech egrip II which fairly seamlessly picked up any new atty or when I built new coils for my twisted Messes (same with my Pico), with the H-Priv it does not work...
Awesome kit @mcgeerj35. Ollie's got a nice vid on the wicking for that griffin. Remember to do the firmware update if you want to get rid of that delay on the fire button. I thought I'd get used to it, but eventually went for the update (was a bit of a mess as the latest tool from smok didn't...