Best PI project?

[Nuclieye]

I'm looking for opinions on what PI detector project/kit is the best for gold nuggets. I plan on building one soon to work a new nugget are I have. I used to have a GP but was not al that thrilled with it so its sold.

Thanks for helping out a newbie...

[kt315]

Carl Moreland's HAMMERHEAD.

[kt315]

-