MINELAB GP 3000 UPGRADE TO 4000/4500? All About Minelab ...
Oct 24, 2013· Sometimes I wonder if Minelab will price themselves out of the market, but it hasn't been the case in the last 10 years. ... Some swear the mods on the early SD's, such as the SD2000 are the cats meow, while others claim the mods on the GP3000 GP3500 are best. I know Ismael in Australia used to be one of the guys most would trust with mods. I ...