Tony, if you haven't done so, I recommend checking out your fellow countryman Derek Gripper's music and approach, certainly one of the top guitarists in the world now, with a unique "natural" approach.
Lester Devoe Flamenco Negra
Lester Devoe Flamenco Blanca
Aparicio Flamenco Blanca with RMC pickup
Bartolex 7-string with RMC pickup
Giannini 7-string with Shadow pickup
Sal Pace 7-string archtop