The Finny takes a little more experience, but it has more options for tweaking your hunts and one of the lowest uS ratings for a water machine. You have the option to change coils and headphones.... those options alone can increase your finds. It does have a hi-low or low-hi tone for some disc. Let me say thou in most cases you cant go wrong using a VLF over a PI. You dont have to dig it all. You target/time ratio for good targets, especially on a trash beach wont be very good. Most of us VLF guys leave the iron and other trash ....that means you have to dig thru that AND all the trash not even touched by us. That said there are people who like to grid and dig it all.... they dont cover nearly as much area and really get a work out and they dont do badly. BUT during recent drop times a PI wouldnt be the first machine id grad.
Dew