I have all of the machine's MENTIONED ABOVE AND OUT OF ALL OF THEM THE MINELAB GOES THE DEEPEST FOR THE LEAST AMOUNT OF TWEAKING . the FISHER COINSTRIKE COMES THE CLOSEST BUT ONLY IN THE HANDS OF A EXPERT. i AM ALSO VERY IMPRESSED WITH THE DEPTH OF THE Whites ext. i HAVEEN'T SEEN THAT MUCH PERFORMANCE WITH THE GARRET, MAYBE IT IS THE SOIL AROUND HERE. the MINELAB WILL WORK ABOUT ANY WHERE